A complete guide to property investment in Sunbury-on-Thames.
Last updated: 18 September 2025
Sunbury-on-Thames offers a balanced investment landscape with a mix of stability and growth potential. The area’s housing market has seen capital growth over one year of 3.6%, and over three years, cumulative growth sits at 7.1% with an annualised rate of 2.3%. This is paired with a solid average rental yield of 5.5%, making the area appealing for income-focused investors.
Affordability is relatively reasonable for the region, with a price-to-income ratio of 6.1 and a rent-to-income ratio of 24.8%. Liquidity is healthy, as homes spend an average of 80 days on the market and there are 227 sales each year, suggesting a steady flow of transactions.
Median price per sq ft
£517 / sq ft
Average rental yield
5.5%
Capital growth (1y)
3.6%
Sales in past year
227
* Property stats calculated for last full calendar year (2024).
Live prices in Sunbury-on-Thames, South East
* Extreme prices clipped for legibility
Median price
£525,000
25% of properties below...
£299,712
75% of properties below...
£750,000
Most expensive property
£2,999,950
Live listings
200
Median days on market
80
Looking ahead, Sunbury-on-Thames is expected to remain a steady performer for property investors. The combination of 5.5% yields and recent capital growth of 3.6% over one year suggests a market that is both income-generating and appreciating, albeit at a moderate pace.
With a strong family presence and a high share of professionals, the area’s fundamentals are robust, supporting both sales and rental demand. While buyers currently enjoy some negotiating power, the overall liquidity (with homes spending 80 days on the market) points to a functioning market without excessive delays. Investors seeking a balance of stability, income, and gentle growth will find Sunbury-on-Thames a compelling choice for the next year.
Average yield (%)
* 2025 data for YTD
Median price per sq ft (£/sq ft)
* 2025 data for YTD
Investment properties in Sunbury-on-Thames, South East
£399,000 - Guide Price
3 bedroom semi-detached house for sale
Markway, Sunbury-On-Thames, Surrey,...
£320,000 - Offers in Excess of
2 bedroom flat for sale
Kempton Avenue, Sunbury-on-Thames, ...
£215,000
1 bedroom flat for sale
Staines Road West, Sunbury
£295,000 - Guide Price
3 bedroom house boat for sale
Towpath, Waterside Drive, Sunbury-O...
£580,000 - Guide Price
5 bedroom terraced house for sale
Sunbury-on-Thames, Surrey, TW16
£150,000
2 bedroom apartment for sale
Staines Road West, Sunbury-on-Thame...
£135,000 - Guide Price
4 bedroom flat for sale
Flat 46 Isobel House, Staines Road ...
Buyers have some negotiation leverage, but not much.
• Median discount: £10,000
• 1 in 4 properties sell at > £22,488 below asking
• 1 in 10 properties sell at > £39,500 below asking
In percentage terms:
• Median discount of 2.2%
• 25% of properties discounted by > 4.1%
• 10% of properties discounted by > 5.0%
Top postcodes for rental yield and (annualised) capital growth
GeoGlider calculates property investment stats by blending official and proprietary datasets. Here's a quick overview of key sources and how we use them:
HM Land Registry: Property transaction and sold-price records for England & Wales used to calculate historical capital growth, price levels and comparables.
Office for National Statistics (ONS): Demographic and economic indicators for the UK, including Census 2021, supporting area profiling and market context.
Ordnance Survey: Authoritative UK geospatial data powering accurate boundaries, roads and terrain for mapping and spatial analysis.
GeoProp: Our proprietary AI pipeline that processes millions of property listings to extract rich features and live market signals.
Department for Levelling Up, Housing & Communities: Energy Performance Certificate (EPC) scores and property floor areas.
HM Revenue & Customs (HMRC): Household income and employment data to understand local affordability and economic conditions.
Data is updated continuously, matched across sources and rigorously validated.