Where to Buy Property Investments in Portsmouth: Yields of 7.0%
Portsmouth is a city on the south coast of England in the county of Hampshire. Built on Portsea Island, it is one of the most densely populated cities in England outside London. Gross rental yields range from 4.3% to 7.0% across postcodes with rental data, with PO4 delivering the highest returns. Average sold prices sit 14.5% below the England average, and the city's population grew 1.4% to 208,003 between the 2011 and 2021 censuses.
Portsmouth's average sold price of £249,460 sits 34.1% below the South East regional average, creating entry points that most southern English cities cannot match. That headline discount is larger than it first appears. Detached, semi-detached, and terraced houses in Portsmouth all cost more than the England average. It is the city's high concentration of flats that pulls the overall figure down. Asking prices start from £250,360 in PO1, and rental data is available for 5 of the city's 6 postcodes.
This guide covers all 6 Portsmouth postcodes from PO1 to PO6 under the Portsmouth unitary authority (ONS code E06000044). Portsmouth sits on Portsea Island, making it one of the most densely populated cities in England. Investors looking for buy-to-let property along the south coast may also consider Southampton, Bournemouth, or Winchester. Browse our Hampshire location guides or view all South East location guides.
Article updated: March 2026
Portsmouth Buy-to-Let Market Overview 2026
Portsmouth combines South East location with entry prices well below the regional average, driven by a high proportion of flat stock on Portsea Island.
- Average sold price: £249,460 (14.5% below England's £291,865)
- Asking price range: £250,360 (PO1) to £370,616 (PO6)
- Rental yields: 4.3% (PO6) to 7.0% (PO4) across postcodes with rental data
- Rental income: Monthly rents from £1,051 (PO2) to £1,628 (PO4)
- Price per sq ft: Sold prices from £251/sq ft (PO2) to £316/sq ft (PO6)
- Market activity: Sales ranging from 20 per month (PO1) to 55 per month (PO4), totalling 199 per month across all postcodes
- Deposit requirements: 30% deposits range from £75,108 (PO1) to £111,185 (PO6)
- Affordability ratios: Property prices from 6.9 to 10.3 times Portsmouth's median annual salary of £36,022
Contents
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by Robert Jones, Founder of Property Investments UK
With two decades in UK property, Rob has been investing in buy-to-let since 2005, and uses property data to develop tools for property market analysis.
Property Data Sources
Our location guide relies on diverse, authoritative datasets including:
- HM Land Registry UK House Price Index
- Ministry of Housing, Communities and Local Government
- Ordnance Survey Data Hub
- Propertydata.co.uk
We update our property data quarterly to ensure accuracy. Last update: March 2026. All data is presented as provided by our sources without adjustments or amendments.
Why Invest in Portsmouth?
Portsmouth's 208,003 residents live on a 24 square kilometre island where the Royal Navy and the University of Portsmouth between them anchor year-round rental demand. Portsea Island is one of the most densely populated areas in England outside London. That density matters for investors. Limited land supply on an island constrains new housing development in a way that mainland cities like Southampton or Bournemouth simply do not experience.
The Royal Navy is the city's largest employer. HMNB Portsmouth is the home port of the surface fleet, including the aircraft carriers HMS Queen Elizabeth and HMS Prince of Wales. BAE Systems, which operates the naval base, supports thousands of jobs directly, with the wider defence supply chain extending across the city. Military personnel and civilian defence workers create year-round rental demand that does not follow academic calendars or economic cycles.
The University of Portsmouth is the second economic engine, with around 30,000 students and a growing research base. The university has invested heavily in its city centre campus, and the student population supports rental demand in PO1 and the surrounding postcodes. Between the naval base and the university, Portsmouth has two institutional employers that are unlikely to relocate.
Between the 2011 and 2021 censuses, Portsmouth's population grew from 205,056 to 208,003, a rise of 1.4%. That is modest compared to some cities, but it reflects the physical constraint of the island. There is limited room for the population to expand, which puts sustained pressure on existing housing stock.
Earnings in Portsmouth sit below both the regional and national averages. The median annual salary is £36,022, compared to £41,616 across the South East and £39,125 for Great Britain. That gap between local wages and South East property expectations is what creates the flat-heavy housing stock that defines this market. Developers build upwards rather than outwards on the island, producing more flats per capita than most comparable cities.
Portsmouth Economic Summary
- Population: 208,003 (2021 Census). Growth of 1.4% from 2011.
- Median annual salary: £36,022 (Portsmouth), £41,616 (South East), £39,125 (Great Britain)
- Employment rate: 77.0% (Portsmouth), 78.7% (South East), 75.6% (Great Britain)
- Unemployment rate: 6.0% (Portsmouth), 3.5% (South East), 4.3% (Great Britain)
- Key employment sectors: Defence and naval, higher education, healthcare, marine engineering, tourism
Source: ONS Census 2021, Nomis Labour Market Profile (ASHE 2025, Employment Oct 2024-Sep 2025)
Portsmouth's unemployment rate of 6.0% sits notably above both the South East average of 3.5% and the national 4.3%. The employment rate of 77.0% is close to the national 75.6% but below the South East's 78.7%. For buy-to-let investors, the unemployment figure is the one to watch. It suggests a labour market that is less tight than the surrounding region, which can affect tenant quality in certain postcodes. The naval base and university provide structural employment floors, but the wider economy is more mixed.
Source: Office for National Statistics - Population for Portsmouth
Regeneration and Investment in Portsmouth
Portsmouth's regeneration combines major defence investment with city centre redevelopment. The naval base secures long-term employment, while new housing and commercial projects are reshaping the waterfront and city centre.
- City Centre North (underway, £1bn+ programme): A full-scale redevelopment of Portsmouth's city centre core, delivering 2,300 new homes and an estimated 9,700 jobs. The programme includes new commercial, retail, and public spaces across multiple phases. For investors, this transforms the PO1 postcode from a secondary retail centre into a mixed-use residential quarter. Updates at Invest Portsmouth.
- HMNB Portsmouth Defence Uplift / Project Bentham (underway, £2.2bn): A major upgrade to HMNB Portsmouth's infrastructure to support the new aircraft carrier fleet and future naval capabilities. The investment secures thousands of defence jobs at the base for decades. For investors, sustained military employment underpins rental demand across every Portsmouth postcode. Updates at Stephen Morgan MP.
- Victory Quay (under construction, 835 homes): A landmark waterfront development by Vivid Housing, backed by a £19.8m grant from Homes England. The scheme delivers 835 new homes on the former HMS Victory Business Park site near the Historic Dockyard. New housing supply at this scale on Portsea Island is rare, and the Homes England funding confirms government commitment to Portsmouth's growth. Updates at Housing Digital.
Portsmouth Property Market Analysis
When Was the Last House Price Crash in Portsmouth?
Portsmouth is a unitary authority, so all sold property prices from the HM Land Registry House Price Index are available at this level. The full history runs from January 1995 to December 2025 and shows one major crash, a long recovery, and a sharp pandemic-era surge followed by a recent correction.
- 1995-2000 (Steady rise): Portsmouth began 1995 at £45,869. Growth was consistent but unspectacular through the late 1990s. By January 2000, prices had reached £68,422. Annual growth had reached 17.2% by January 2000 as the wider South East property boom gathered pace.
- 2000-2007 (The boom): Prices more than doubled from £68,422 in January 2000 to a peak of £168,097 in July 2007. The sharpest growth came in 2002-2003, when annual change peaked at 29.1% in March 2003. Portsmouth's island geography meant limited supply met surging demand from both owner-occupiers and buy-to-let investors attracted by the city's naval employment base.
- 2007-2009 (The financial crisis): From the peak of £168,097 in July 2007 to the trough of £129,683 in March 2009, Portsmouth lost 22.9% of its value in 20 months. The worst annual change reading was -21.7% in March 2009. All property types fell almost equally: detached -20.4%, semi-detached -21.5%, terraced -22.1%, flats -21.4%. Portsmouth's decline of 22.9% was worse than both the South East (-20.0%) and England overall (-18.2%). The island's constrained market, which amplified gains on the way up, amplified losses on the way down.
- 2009-2013 (Stagnation): Portsmouth bounced quickly off the trough. By December 2009, prices had recovered to £146,307. But then growth stalled. Prices traded sideways between £144,000 and £155,000 for four years. By December 2013, the average was £155,413. Still 7.5% below the pre-crash peak.
- 2014-2016 (Recovery): Growth returned with conviction. Annual changes of 7-9% in 2014-2015 closed the gap. Prices finally passed the pre-crash peak in October 2014 at £168,169. That recovery took 7 years and 3 months from the July 2007 peak. By December 2016, prices had reached £193,874.
- 2017-2019 (Pre-pandemic growth): Prices rose from £194,088 in January 2017 to £211,951 by December 2019. Annual growth slowed from 6.9% to 0.3% over this period as affordability constraints and Brexit uncertainty weighed on the market.
- 2020-2022 (Pandemic surge): The stamp duty holiday and remote working shift boosted Portsmouth significantly. Prices jumped from £213,248 in January 2020 to £259,945 by December 2022. That is 21.9% growth in under three years. Portsmouth's coastal location and relative affordability compared to the wider South East made it a beneficiary of the lifestyle relocation trend.
- 2023 (Rate shock): Interest rate rises cooled the market sharply. Prices fell from £259,945 in December 2022 to £247,399 by December 2023. A decline of 4.8% in a single year.
- 2024-2025 (Mixed signals): Prices recovered to £256,339 by December 2024 (annual growth 3.6%) before falling back to £249,460 by December 2025 (annual change -2.7%). Portsmouth is still finding its post-pandemic price level.
Long-Term Property Value Growth in Portsmouth
- 5 years (2020-2025): +13.2% (£220,319 to £249,460)
- 10 years (2015-2025): +38.2% (£180,511 to £249,460)
- 15 years (2010-2025): +69.3% (£147,369 to £249,460)
- 20 years (2005-2025): +71.0% (£145,919 to £249,460)
- 30 years (1995-2025): +438.2% (£46,353 to £249,460)
The 2008 crash is the reference point for Portsmouth investors assessing downside risk. A 22.9% decline took over 7 years to recover. Portsmouth fell harder than both the regional and national averages. But the recovery came, and the long-term trajectory remains firmly upward. The difference now is that Portsmouth's flat-heavy stock, which amplified the crash, also creates the yield opportunity that defines the current market.
Source: HM Land Registry House Price Index for Portsmouth
Source: HM Land Registry House Price Index for Portsmouth, January 1995 to December 2025.
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View Property DealsSold House Prices in Portsmouth
Portsmouth's sold price data from the Land Registry tells a story that contradicts the headline figure. The overall average of £249,460 sits 14.5% below England's £291,865 and 34.1% below the South East's £378,800. That looks like a straightforward discount city. It is not.
Detached houses in Portsmouth average £512,150. That is 8.6% above England's £471,667. Semi-detached houses are 19.5% above. Terraced houses are 11.4% above. Every house type in Portsmouth costs more than the national average.
The only property type below England is flats, at 23.8% less. Portsmouth's overall discount is entirely a mix effect: the city has a higher proportion of flats than most English cities, and those flats drag the average down.
| Property Type | Portsmouth Average | England Average | Difference |
|---|---|---|---|
| Detached houses | £512,150 | £471,667 | +8.6% |
| Semi-detached houses | £345,628 | £289,135 | +19.5% |
| Terraced houses | £272,661 | £244,830 | +11.4% |
| Flats and maisonettes | £167,117 | £219,340 | -23.8% |
| All property types | £249,460 | £291,865 | -14.5% |
Semi-detached houses show the widest premium at 19.5% above England. Semis are scarce on Portsea Island. The limited supply of traditional family housing on a densely populated island pushes semi prices well above national levels. Most of Portsmouth's semi-detached stock sits in PO6 (Cosham, Paulsgrove) and parts of PO3, which are on or near the mainland.
Detached houses at £512,150 are 8.6% above the England average. Detached properties are the rarest housing type in Portsmouth. On an island where density is the defining characteristic, detached houses command a scarcity premium. They are concentrated in PO4 (Southsea) and PO6 (Cosham, Drayton), often period properties with limited modern equivalents.
Terraced houses at £272,661 sit 11.4% above England's £244,830. Terraced housing is the backbone of Portsmouth's residential stock, particularly in PO1, PO2, and PO4. Victorian and Edwardian terraces dominate the rental market, and demand from both owner-occupiers and landlords keeps prices above the national level despite Portsmouth being positioned as an affordable city.
Flats at £167,117 are the only property type below England, at 23.8% less. This is the number that defines the Portsmouth investment market. The island's geography forces dense development, producing more flats per capita than most English cities. That oversupply relative to houses is what pulls the overall average below England. For investors, this is the entry point. A flat at £167,117 in a city where house prices are above the national average creates a structural yield opportunity.
Price Per Square Foot in Portsmouth
Portsmouth's price per square foot spans a tight range from £251 in PO2 to £316 in PO6, a spread of just £65 across all six postcodes. That is one of the narrowest ranges of any city in this series of guides. There are no extreme outliers. The island's geography compresses values into a relatively even band.
Price per square foot strips out the distortion of property size. A postcode with mostly flats might look cheap on asking price alone, but the per-foot cost reveals what you are paying for the actual space. In Portsmouth, the differences between postcodes are driven more by housing condition and proximity to the seafront than by dramatic shifts in neighbourhood character.
| Rank | Area | Price Per Sq Ft |
|---|---|---|
| 1 | PO2 (North End, Hilsea) | £251 |
| 2 | PO1 (City Centre, Gunwharf Quays) | £280 |
| 3 | PO5 (Southsea) | £292 |
| 4 | PO3 (Hilsea, Anchorage Park) | £297 |
| 5 | PO4 (Southsea, Eastney) | £302 |
| 6 | PO6 (Cosham, Paulsgrove, Drayton) | £316 |
PO2 at £251 per square foot is the cheapest space in Portsmouth. North End and Hilsea sit at the northern end of the island, away from the seafront premium of Southsea. The housing stock is predominantly terraced and ex-council, which keeps per-foot costs low. PO2 ranks as the second cheapest postcode by asking price (£250,690), just £330 above PO1, so low space costs align with low entry prices.
PO6 at £316 is the most expensive per square foot despite not being on the island. Cosham, Paulsgrove, and Drayton sit on the mainland, where larger family homes and newer developments push per-foot costs above the island postcodes. PO6 also has the highest asking price (£370,616) and the lowest yield (4.3%). The premium here reflects owner-occupier demand for suburban space, not investor value.
PO4 at £302 sits mid-table for space cost but delivers the highest yield at 7.0%. That combination matters. You are not paying a premium per square foot to access Portsmouth's strongest rental returns. The yield premium in PO4 comes from high rents (£1,628 per month), not from discounted space.
Houses for Sale in Portsmouth: Asking Prices by Postcode
Five of Portsmouth's six postcodes cluster between £250,360 and £279,663. That is a range of under £30,000 separating five distinct areas. Only PO6 breaks away at £370,616, reflecting its mainland location and larger family housing stock. For investors, the compressed pricing across the island means the decision between postcodes comes down to yield, tenant profile, and growth trajectory rather than significant differences in entry cost.
| Rank | Area | Average Asking Price |
|---|---|---|
| 1 | PO1 (City Centre, Gunwharf Quays) | £250,360 |
| 2 | PO2 (North End, Hilsea) | £250,690 |
| 3 | PO4 (Southsea, Eastney) | £278,390 |
| 4 | PO5 (Southsea) | £279,128 |
| 5 | PO3 (Hilsea, Anchorage Park) | £279,663 |
| 6 | PO6 (Cosham, Paulsgrove, Drayton) | £370,616 |
PO1 and PO2 are virtually identical on entry price at £250,360 and £250,690. The difference is £330. But PO1 (City Centre, Gunwharf Quays) delivers a 6.4% yield while PO2 (North End, Hilsea) delivers 5.0%. Same deposit, different returns. That 1.4 percentage point gap on an almost identical investment amount is one of the starkest postcode-level differences in Portsmouth. Investors looking for lower entry points may also find repossessed properties in these postcodes.
PO4 and PO5 form a second cluster at £278,390 and £279,128. Again, near-identical asking prices with very different yield profiles. PO4 delivers 7.0% with rents of £1,628. PO5 delivers 6.0% with rents of £1,406. Both are in Southsea, but PO4 includes Eastney and the eastern seafront where higher rental demand from naval personnel and young professionals pushes rents above the western half of Southsea.
The mean asking price across all six Portsmouth postcodes is £284,808. For anyone searching for houses for sale in Portsmouth, the compressed pricing across the island means location and yield profile matter more than price differences. That figure appears in the comparison section later, where Portsmouth is measured against Southampton, Bournemouth, Brighton, and Chichester.
House Price Growth in Portsmouth
The five-year growth story in Portsmouth splits into two halves. PO2 leads at 21.2% and PO3 follows at 20.3%. These are the northern postcodes where affordable stock attracted buyers during the pandemic surge. The southern and central postcodes grew more modestly, and PO5 is the clear underperformer at just 6.7% over five years.
| Area | 1 Year | 3 Years | 5 Years |
|---|---|---|---|
| PO2 (North End, Hilsea) | 4.4% | -0.1% | 21.2% |
| PO3 (Hilsea, Anchorage Park) | 4.9% | 8.0% | 20.3% |
| PO4 (Southsea, Eastney) | -0.3% | -0.2% | 16.8% |
| PO1 (City Centre, Gunwharf Quays) | -2.7% | -1.0% | 15.6% |
| PO6 (Cosham, Paulsgrove, Drayton) | 1.5% | -2.9% | 12.3% |
| PO5 (Southsea) | 1.6% | -10.1% | 6.7% |
PO5 at 6.7% five-year growth with a -10.1% three-year reading is the standout anomaly. Southsea (PO5) surged early in the five-year window and then gave most of it back. The three-year decline of 10.1% is the largest in Portsmouth by a wide margin. This area has a high concentration of flats and HMO conversions, and the post-pandemic correction hit harder here than anywhere else in the city.
PO3 is the only postcode where growth is accelerating across all three time horizons: 4.9% over one year, 8.0% over three years, 20.3% over five years. Hilsea and Anchorage Park are residential areas on the northern edge of the island, where family housing stock is more common. That steady upward trajectory suggests sustained organic demand rather than speculative overheating.
PO1 and PO4 both show negative one-year growth (-2.7% and -0.3%). The city centre and Southsea waterfront postcodes are cooling after the pandemic surge. Both still show solid five-year gains (15.6% and 16.8%), but the current direction is flat to slightly declining. Investors buying in these postcodes now are entering at a lower point than 12 months ago.
Monthly Property Sales in Portsmouth
PO4 Southsea processes 55 sales per month, the highest in Portsmouth and nearly 20% more than the next busiest postcode (PO2 at 46). That volume gives PO4 the deepest buyer pool in Portsmouth. Combined with the highest turnover rate (27%), PO4 is the most liquid market in the city. For investors planning a future exit, that liquidity matters.
| Area | Sales Per Month | Turnover | Asking Price |
|---|---|---|---|
| PO4 (Southsea, Eastney) | 55 | 27% | £278,390 |
| PO2 (North End, Hilsea) | 46 | 26% | £250,690 |
| PO6 (Cosham, Paulsgrove, Drayton) | 27 | 14% | £370,616 |
| PO3 (Hilsea, Anchorage Park) | 26 | 25% | £279,663 |
| PO5 (Southsea) | 25 | 19% | £279,128 |
| PO1 (City Centre, Gunwharf Quays) | 20 | 10% | £250,360 |
PO1 has the lowest turnover at 10% despite being the joint cheapest postcode. That tells you there is a large pool of stock that rarely comes to market. City centre and Gunwharf Quays properties are either held long-term by landlords or occupied by owners who have no reason to sell. Low turnover combined with the second-highest yield (6.4%) suggests that existing investors in PO1 are satisfied with their returns.
PO6 has the second-lowest turnover at 14% and the highest asking price at £370,616. Mainland Cosham and Drayton attract families who buy and stay. The low turnover reflects owner-occupier stability rather than investor interest. At 27 sales per month, PO6 has adequate volume for an exit but less liquidity than the island postcodes.
Total monthly sales across all six postcodes sit at 199. That is a healthy market with enough transaction volume to support accurate data across every postcode.
Portsmouth Rental Market Analysis
For investors weighing up whether rental property is a worthwhile investment in Portsmouth, the data below breaks down average monthly rents and gross rental yields across the city's postcodes.
Rental data is available for 5 of 6 postcodes. PO3 (Hilsea, Anchorage Park) has insufficient current listings for reliable figures. For the five with data, monthly rents range from £1,051 in PO2 to £1,628 in PO4 and gross yields range from 4.3% to 7.0%. Portsmouth apartments and flats for rent dominate the listings, reflecting the island's dense housing stock. If you are looking to build a property portfolio in the South East, Portsmouth's combination of below-average entry prices and above-average yields for the region makes it a strong contender.
Average Rent & Gross Rental Yields in Portsmouth
PO4 delivers Portsmouth's highest gross yield at 7.0%, where monthly rents of £1,628 meet asking prices of £278,390. That is an exceptional yield for a South East city. At the other end, PO6 at 4.3% reflects the highest asking prices in Portsmouth absorbing moderate rents. The yield spread across the five postcodes with data is 2.7 percentage points.
Gross rental yield is calculated from the average asking price and average monthly rent for each postcode. It does not account for void periods, maintenance, management fees, or mortgage costs. It is a starting point for comparison, not a profit forecast.
| Area | Average Monthly Rent | Average Asking Price | Gross Yield |
|---|---|---|---|
| PO4 (Southsea, Eastney) | £1,628 | £278,390 | 7.0% |
| PO1 (City Centre, Gunwharf Quays) | £1,346 | £250,360 | 6.4% |
| PO5 (Southsea) | £1,406 | £279,128 | 6.0% |
| PO2 (North End, Hilsea) | £1,051 | £250,690 | 5.0% |
| PO6 (Cosham, Paulsgrove, Drayton) | £1,325 | £370,616 | 4.3% |
| PO3 (Hilsea, Anchorage Park) | Not enough data | £279,663 | Not enough data |
Three postcodes sit above 6% gross yield: PO4, PO1, and PO5. Each taps into a different tenant pool. PO4 Southsea draws naval personnel and young professionals attracted to the seafront. PO1 City Centre captures students and Gunwharf Quays tenants. PO5 sits between the two, picking up demand from both groups. That diversity across three adjacent postcodes spreads risk across multiple tenant demographics.
PO2 at 5.0% tells a different story. North End and Hilsea have the lowest asking prices on the island but also the lowest rents at £1,051. The area attracts a working-class and family tenant base where affordability is the priority. The yield is respectable but does not match what PO4 and PO1 deliver from higher rents.
PO6 at 4.3% is the weakest yield in Portsmouth by a clear margin. Rents of £1,325 per month are moderate, but asking prices of £370,616 compress the return. Cosham and Drayton are residential suburbs where owner-occupier demand outweighs investor interest. The yield reflects a market driven by lifestyle buyers, not rental economics.
Is Portsmouth Rent High?
Across Portsmouth's five postcodes with rental data, rent ranges from 35.0% to 54.2% of the local median gross monthly salary. All five postcodes sit above the 30% benchmark where rent is generally considered stretched. That reflects Portsmouth's relatively low local earnings rather than unusually high rents.
The median gross weekly salary in Portsmouth is £692.70, which equates to £3,002 per month or £36,022 per year. This is below the South East regional median of £800.30 per week and the Great Britain median of £752.40 per week. The city's salaries are 13.4% below the South East median, which pushes every rent-to-income ratio higher than the raw rent figures would suggest. Data from the Nomis Labour Market Profile (ASHE 2025).
| Rank | Area | Rent as % of Income |
|---|---|---|
| 1 | PO4 (Southsea, Eastney) | 54.2% |
| 2 | PO5 (Southsea) | 46.8% |
| 3 | PO1 (City Centre, Gunwharf Quays) | 44.8% |
| 4 | PO6 (Cosham, Paulsgrove, Drayton) | 44.1% |
| 5 | PO2 (North End, Hilsea) | 35.0% |
| — | PO3 (Hilsea, Anchorage Park) | Not enough data |
PO4 at 54.2% is the highest ratio in Portsmouth by a significant margin. Rents of £1,628 per month against a local median salary of £3,002 per month produce a ratio that looks stretched on paper. But PO4 Southsea attracts tenants who earn above the Portsmouth median. Naval officers, young professionals, and couples sharing the cost of a seafront flat are not representative of the city-wide salary figure.
PO2 at 35.0% is the most affordable postcode for tenants. Rents of £1,051 per month are the lowest in Portsmouth, and the ratio sits closest to the 30% benchmark. For investors, that lower affordability pressure translates into more sustainable tenancies. Arrears risk is lower when tenants are not stretched to pay.
The gap between PO4 (54.2%) and PO2 (35.0%) is 19.2 percentage points. That spread tells you these postcodes serve completely different markets. PO4 is a higher-rent, higher-yield area where tenants have above-average incomes. PO2 is an affordable lettings market where tenant sustainability is the priority.
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Are Portsmouth House Prices High? Price-to-Earnings Ratios
Purchasing a property in Portsmouth requires between 6.9 and 10.3 times the median annual salary of £36,022. Two postcodes sit below the national benchmark of 7.5x, and only PO6 on the mainland sits significantly above it. This is based on the Nomis Labour Market Profile for Portsmouth.
The price-to-earnings ratio compares a postcode's average asking price to the local median annual salary. The national benchmark is 7.5x, calculated from England's average sold price of £291,865 against Great Britain's median annual salary of £39,125. PO1 at 6.9x and PO2 at 7.0x both come in under that threshold. PO4 and PO5 sit just above at 7.7x each. PO3 at 7.8x is marginally above. Only PO6 at 10.3x sits significantly above the benchmark, reflecting its higher asking prices on the mainland.
| Rank | Area | Price-to-Earnings Ratio |
|---|---|---|
| 1 | PO1 (City Centre, Gunwharf Quays) | 6.9x |
| 2 | PO2 (North End, Hilsea) | 7.0x |
| 3 | PO4 (Southsea, Eastney) | 7.7x |
| 4 | PO5 (Southsea) | 7.7x |
| 5 | PO3 (Hilsea, Anchorage Park) | 7.8x |
| 6 | PO6 (Cosham, Paulsgrove, Drayton) | 10.3x |
PO1 at 6.9x is the most affordable postcode relative to local earnings and delivers the second-highest yield at 6.4%. That combination of low price-to-earnings and strong rental returns reflects the city centre's flat-heavy stock. Flats are cheaper relative to local salaries, and the naval/student tenant base supports strong rents.
PO6 at 10.3x is completely detached from Portsmouth's income profile. The mainland suburbs attract buyers from across the wider Fareham and Havant area, not just Portsmouth residents. Those buyers earn more than the Portsmouth median, which means the ratio overstates the affordability challenge for actual purchasers in PO6. But for buy-to-let investors, the ratio confirms what the yield data already shows: PO6 is priced for owner-occupiers, not rental returns.
Deposit Requirements in Portsmouth
A 30% deposit in Portsmouth ranges from £75,108 in PO1 to £111,185 in PO6. The five island postcodes all require deposits between £75,108 and £83,899. Only the mainland PO6 breaks above £100,000. For a South East city, those deposit requirements are notably low. A 30% deposit on an average property in Brighton starts at over £100,000 in most postcodes.
The table below uses a 30% deposit to reflect the rates and products available at higher loan-to-value ratios. Most buy-to-let mortgage lenders require a minimum 25%, but 30% typically unlocks better interest rates, which matters for cash flow in a yield-driven market. Investors with smaller deposits may want to explore no-deposit investment property options.
| Rank | Area | 30% Deposit Required |
|---|---|---|
| 1 | PO1 (City Centre, Gunwharf Quays) | £75,108 |
| 2 | PO2 (North End, Hilsea) | £75,207 |
| 3 | PO4 (Southsea, Eastney) | £83,517 |
| 4 | PO5 (Southsea) | £83,738 |
| 5 | PO3 (Hilsea, Anchorage Park) | £83,899 |
| 6 | PO6 (Cosham, Paulsgrove, Drayton) | £111,185 |
PO1 and PO2 require virtually identical deposits at £75,108 and £75,207. The extra £99 between them is irrelevant. But PO1 delivers a 6.4% yield against PO2's 5.0%. On a near-identical capital outlay, PO1 generates significantly more rental income. PO2's advantage is in five-year growth (21.2% vs 15.6%), so the choice depends on whether an investor prioritises income or appreciation.
The £8,409 step from PO1/PO2 to PO4 (£83,517) buys access to a 7.0% yield. That is the highest return in Portsmouth and one of the strongest in the South East. PO4 also has the highest sales volume (55 per month) and turnover (27%), so both entry and exit liquidity are strong. Investors looking for below market value properties in Portsmouth may find opportunities in PO1 and PO2 where asking prices sit at £250,000.
Deposit is only part of the upfront cost. Budget for stamp duty (use our stamp duty calculator for an accurate figure), legal fees, and survey costs. For a full breakdown, see our guide to buy-to-let costs.
What the Portsmouth Data Tells Buy-to-Let Investors
Portsmouth's postcode data points to a market shaped by one unusual characteristic: houses cost more than the England average but flats cost 23.8% less. That mix effect is the foundation of the investment case. The island's geography forces dense development, producing more flats per capita than most comparable cities, and those flats create the yield and entry-price opportunity.
For yield, the data favours PO4 (7.0%), PO1 (6.4%), and PO5 (6.0%). All three sit on the southern half of Portsea Island where naval personnel, students, and young professionals drive rental demand. PO4 stands out across multiple measures: highest yield, highest sales volume (55 per month), highest turnover (27%), and a 30% deposit of £83,517. PO1 offers a marginally lower deposit (£75,108) with the second-strongest yield. Investors looking at investment property in the South East at sub-£85,000 deposit levels have limited options outside Portsmouth.
For growth, PO2 (21.2%) and PO3 (20.3%) lead the five-year table. These are the northern island postcodes where affordable stock attracted buyers during the pandemic. PO3 is the only postcode with accelerating growth across all three time horizons. PO4 and PO1 delivered 16.8% and 15.6% five-year growth respectively. The convergence of yield and growth in the same city is unusual for the South East, where higher prices typically compress yields.
PO6 sits in a different market. Asking prices of £370,616, a 4.3% yield, and 10.3x price-to-earnings place it firmly in owner-occupier territory. Sales volume (27 per month) and turnover (14%) are lower than the island postcodes. PO5 shows mixed signals: a 6.0% yield and 6.7% five-year growth, but a -10.1% three-year decline that suggests the postcode overheated during the pandemic and is still correcting.
Portsmouth City Council operates a selective licensing scheme in parts of the city. Investors considering HMO conversions or multi-let properties in PO1, PO4, or PO5 should check current licensing requirements. Investors looking for renovation properties in Portsmouth may find opportunities in the older terraced stock of PO1 and PO2. Off-market properties in these postcodes can offer entry below the average asking prices listed in this guide.
How Portsmouth Buy-to-Let Compares to Nearby Areas
Investors looking at Portsmouth are typically also considering other south coast cities. The table below compares Portsmouth against four nearby locations using the same methodology: mean asking price across all postcodes, mean monthly rent across postcodes with data, and top single-postcode gross yield.
| Location | Mean Asking Price | Mean Monthly Rent | Top Gross Yield |
|---|---|---|---|
| Southampton | £260,724 | £1,362 | 9.0% |
| Portsmouth | £284,808 | £1,351 | 7.0% |
| Bournemouth | £355,164 | £1,409 | 7.7% |
| Brighton | £420,745 | £1,825 | 6.6% |
| Chichester | £509,470 | £1,598 | 4.5% |
Southampton is the only comparison city with a lower mean asking price than Portsmouth (£260,724 vs £284,808) and it delivers a higher top yield at 9.0%. The two cities are 20 miles apart and share a similar economic profile. Southampton's larger port economy and more diverse postcode range produce that higher top yield, though the overall yield profile depends on which specific postcodes an investor targets.
Bournemouth and Brighton show higher absolute rents but require significantly more capital. Bournemouth's mean asking price of £355,164 means a 30% deposit averaging £107,000. Brighton at £420,745 pushes that to £126,000. Portsmouth's entry-level deposits start at £75,108. The capital efficiency equation favours Portsmouth for investors where total return per pound deployed matters more than absolute rental income.
Chichester at £509,470 with a 4.5% top yield represents the opposite end of the spectrum. Cathedral city premiums and limited rental stock compress yields to levels that rarely justify buy-to-let entry. For investors comparing across the south coast, Portsmouth's 7.0% top yield on a £284,808 mean asking price sits in a competitive position. Those exploring the best buy-to-let locations across England will find Portsmouth's yield-to-entry-cost ratio among the strongest in the South East.
Frequently Asked Questions
What are the best areas to invest in Portsmouth?
PO4 (Southsea, Eastney) leads on yield at 7.0% with the highest sales volume at 55 per month. Monthly rents of £1,628 and a 30% deposit of £83,517 make it the strongest postcode across multiple measures. PO1 (City Centre, Gunwharf Quays) offers the lowest entry price at £250,360 with a 6.4% yield, attracting students and young professionals near the naval base and university. PO2 (North End, Hilsea) has the strongest five-year growth at 21.2% and the most affordable rents relative to local incomes at 35.0% of the median salary.
How does Portsmouth compare to Southampton for buy-to-let?
Southampton has a lower mean asking price (£260,724 vs £284,808) and a higher top yield (9.0% vs 7.0%). Southampton also has higher mean monthly rents (£1,362 vs £1,351). Portsmouth's advantage is in its island geography, which constrains new supply and supports long-term price resilience. The Royal Navy and the University of Portsmouth create institutional rental demand that does not depend on broader economic cycles.
Southampton's port and logistics economy is larger and more diversified. Both cities sit in the same region with similar transport links to London via the M3/M27. The 20-mile gap between them means some tenants consider both.
Are there property investment companies operating in Portsmouth?
Several firms market buy-to-let properties in Portsmouth, particularly new-build flats and off-plan developments in PO1 and the Gunwharf Quays area. The data in this guide covers the open market. Any property sold through an investment company can be benchmarked against these average values, but advertised yields from investment firms may use different calculation methods or assumptions.
Is student accommodation a good investment in Portsmouth?
The University of Portsmouth has around 30,000 students, and PO1 (City Centre) delivers a 6.4% gross yield with strong student rental demand. Student lets are concentrated in PO1 and the surrounding Guildhall and Landport areas. HMO configurations can generate higher per-room income, but they also carry summer void periods of 2-3 months unless the property is let to non-student tenants during the break. For a broader view of the sector, see our guide to purpose-built student accommodation.
Why are house prices in Portsmouth below the South East average?
Portsmouth's average sold price of £249,460 sits 34.1% below the South East average of £378,800, but the headline figure is a mix effect. Detached houses in Portsmouth (£512,150) cost 8.6% more than the England average. Semi-detached (£345,628) are 19.5% above. Terraced (£272,661) are 11.4% above. Only flats (£167,117) sit below at -23.8%.
Portsmouth's island geography produces a higher proportion of flats than most English cities, and those flats pull the overall average down. The city is not cheap by property type. It has a different housing mix.