Buy to let in Portsmouth
2026 Market Data & Investment Analysis
Gross Yield
5.1%
Annual rent / price
Median Home Price
£260,000
As of 2026-Q1
Median Monthly Rent
£1,100
Per month
Population
207,000
+0.2% / yr (5y avg)
Estimates based on median market data. Actual returns depend on your specific property. Source: UK Land Registry / ONS, 2026-Q1.
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Pre-filled with Portsmouth's median values. Adjust to match your specific property.
Property Details
Total acquisition cost before taxes
HOA, insurance, property management
% of time the property is empty
% of purchase price (e.g. 2% = 2)
Rule of thumb: 1% of purchase price/yr
Results
Gross Rental Yield
5.08%
Net Rental Yield
2.90%
Cap Rate
2.90%
Monthly Cash Flow
£628.33
Annual Cash Flow
£7,540.00
Portsmouth rental market at a glance
Median Home Price — 5-Year Trend
Median Monthly Rent — 5-Year Trend
Portsmouth presents a compelling rental investment opportunity with a 5.1% gross yield—substantially above the UK average of 3-4%—supported by a stable 207,000 population base and tight 3% vacancy rate indicating consistent tenant demand. The city's strategic position as the UK's premier naval hub and home to significant Ministry of Defence operations creates a resilient employment base, while the presence of the University of Portsmouth (approximately 20,000 students) and Solent University generates consistent demand for purpose-built student accommodation and professional rentals. The recent regeneration of the Tipner West district and ongoing waterfront development initiatives signal long-term growth potential, though these are multi-year projects that won't immediately impact valuations.
The rental market is underpinned by demographic constraints that favor landlords: Portsmouth has limited new-build capacity due to geographical constraints (peninsula location), which naturally restricts housing supply growth. The 0.2% five-year population growth rate, while modest, masks significant internal migration patterns—the city attracts young professionals and military personnel on fixed-term postings, creating natural tenant turnover and strong mid-range rental demand. The £260,000 median price point is accessible for first-time BTL investors yet commands respectable rental income, creating an efficient capital deployment scenario compared to southern England coastal alternatives.
However, near-term headwinds warrant attention: the modest population growth and relatively flat residential appreciation suggest this is fundamentally a rental yield play rather than capital growth investment. The city's demographic profile skews toward working-age tenants with variable employment tenure (defence contracts, military postings), which could increase turnover costs. Post-pandemic, several high street businesses have not recovered, and the local authority faces budget pressures affecting public services—factors that could gradually erode the city's appeal compared to competing southern coastal destinations like Brighton or Bournemouth.
What type of investment market is Portsmouth?
Portsmouth presents challenges with both modest rental yields and limited population growth. Investors need to carefully analyze specific neighborhoods and property types to find opportunities that outperform the market average.
✓ Strengths
- •Superior 5.1% gross yield versus UK average, with tight 3% vacancy rate indicating strong, consistent tenant demand supported by university population and defence sector employment
- •Supply-constrained market due to geographical limitations (peninsula location) reducing new-build competition and naturally supporting rental values and occupancy rates
- •Diverse, stable employment base anchored by Ministry of Defence operations, University of Portsmouth, and Solent University creating multi-segment tenant demand (professionals, students, military families)
- •Accessible entry price point at £260,000 median home value compared to other southern coast destinations, enabling efficient capital deployment and portfolio diversification for BTL investors
! Risks
- •Minimal capital appreciation potential given only 0.2% annual population growth, meaning investment returns depend almost entirely on rental yield rather than property value appreciation
- •Tenant composition volatility: significant proportion of tenants linked to military postings and defence contracts creates higher-than-average turnover risk and potential income interruptions during contract reviews
- •Local economic dependency on single major employer (MOD/defence sector), creating concentrated risk if defence spending reductions or base relocations occur—a political/budgetary event outside investor control
- •Declining high street vitality and local authority financial constraints post-pandemic could gradually erode the city's competitiveness and desirability versus rival coastal markets, affecting long-term rental demand and valuation stability
Key Metrics
How does Portsmouth compare to nearby cities?
Portsmouth vs Southampton: 0.0 percentage point difference in gross yield.
| City | Median Price | Median Rent | Gross Yield | Pop. Growth |
|---|---|---|---|---|
| Southampton, England | £280,000 | £1,200 | 5.1% | +0.3% |
| Brighton, England | £420,000 | £1,650 | 4.7% | +0.3% |
| Bournemouth, England | £310,000 | £1,250 | 4.8% | +0.5% |
| Reading, England | £340,000 | £1,400 | 4.9% | +0.6% |
| London, England | £650,000 | £2,100 | 3.9% | +0.4% |
Investor Takeaway
Portsmouth is ideally suited for income-focused BTL investors prioritizing consistent cash flow over capital appreciation, particularly those seeking efficient yield opportunities in the UK's expensive southern region. The strategy should emphasize targeting professional rentals (defence sector workers, university staff) and carefully-selected student accommodation to leverage the university demand, while avoiding speculation on capital growth. The critical metric to monitor is tenure stability within the defence sector—subscribe to defence industry news and monitor any MOD base reorganization announcements, as a significant military contraction could rapidly destabilize the rental market; simultaneously, track the completion timelines of Tipner West and waterfront regeneration projects, as successful delivery could provide the modest population growth catalyst currently missing from Portsmouth's investment thesis.
Common questions about investing in Portsmouth
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