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Property investment stats for Sunbury-on-Thames, South East

A complete guide to property investment in Sunbury-on-Thames.

Last updated: 18 September 2025

Investment summary

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.

Image of Sunbury-on-Thames, South East

Key investment stats for Sunbury-on-Thames

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 property stats in Sunbury-on-Thames

Live prices in Sunbury-on-Thames, South East

* Extreme prices clipped for legibility

Properties for sale

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

Should you invest in Sunbury-on-Thames?

Opportunities

  • Investors can benefit from the strong rental yields of 5.5%, especially with the top postcode district in the area achieving yields of 5.6%.
  • The family-oriented demographic (with the area in the 91st percentile for families) supports demand for larger homes, which is reflected in current asking prices and rents for three-bedroom houses (£562,500 and £2,275).
  • The area’s above-average population of professionals and managers (in the 70th percentile) underpins a stable tenant base and potential for rental growth.

Risks

  • The median discount of £10,000 (the typical achieved discount) indicates buyers may have room to negotiate, which could pressure sale prices if supply increases.
  • The moderate proportion of private rented housing (in the 38th percentile) means the rental market is not as deep as in more urbanised areas, potentially limiting tenant choice at times.
  • The population aged 20-30 is in the 30th percentile, so demand from young professionals may be less pronounced than in trendier or more central locations.

Outlook

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.

Live properties in Sunbury-on-Thames

Investment properties in Sunbury-on-Thames, South East

3 bedroom semi-detached house for sale
47% below median price

£399,000 - Guide Price

3 bedroom semi-detached house for sale

Markway, Sunbury-On-Thames, Surrey,...

Properties needing refurbishment in Sunbury-on-Thames, South East
Needs Refurb
2 bedroom flat for sale
14% below median price

£320,000 - Offers in Excess of

2 bedroom flat for sale

Kempton Avenue, Sunbury-on-Thames, ...

Priced to sell properties in Sunbury-on-Thames, South East
Priced to Sell
1 bedroom flat for sale
On market for 175 days

£215,000

1 bedroom flat for sale

Staines Road West, Sunbury

Slow to sell properties in Sunbury-on-Thames, South East
Slow to Sell
3 bedroom house boat for sale
Reduced by 25%

£295,000 - Guide Price

3 bedroom house boat for sale

Towpath, Waterside Drive, Sunbury-O...

Big price drop properties in Sunbury-on-Thames, South East
Big Price Drop
5 bedroom terraced house for sale
1,909 sq ft

£580,000 - Guide Price

5 bedroom terraced house for sale

Sunbury-on-Thames, Surrey, TW16

Properties with planning granted in Sunbury-on-Thames, South East
Planning Granted
2 bedroom apartment for sale
60% below median price

£150,000

2 bedroom apartment for sale

Staines Road West, Sunbury-on-Thame...

Low price-per-sq-ft properties in Sunbury-on-Thames, South East
Low Price per Sq Ft
4 bedroom flat for sale
64% below median price

£135,000 - Guide Price

4 bedroom flat for sale

Flat 46 Isobel House, Staines Road ...

Auction properties in Sunbury-on-Thames, South East
Auction

Achieved vs asking prices

Key takeaway: Balanced market

Buyers have some negotiation leverage, but not much.

Headline stats

• 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%

Best places to invest in Sunbury-on-Thames

Top postcodes for rental yield and (annualised) capital growth

Rank
Postcode
Yield
Capital growth
Median £/sq ft
1TW165.6%2.4%£517 / sq ft
2KT125.5%1.8%£552 / sq ft

Data sources

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.