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Property investment stats for Isleworth, Middlesex

A complete guide to property investment in Isleworth.

Last updated: 18 September 2025

Investment summary

Isleworth has a strong family presence, ranking in the 92nd percentile for families and showing a high proportion of degree-educated residents. The area’s property market is fairly active, with 372 sales annually and homes typically spending 92 days on the market. Affordability is a challenge, reflected in a price-to-income ratio of 6.7, which is high but not unusual for London. Rental yields are steady at 5.6%, and the private rented sector is well represented, sitting in the 81st percentile.

Image of Isleworth, Middlesex

Key investment stats for Isleworth

Median price per sq ft

£554 / sq ft

Average rental yield

5.6%

Capital growth (1y)

-2.4%

Sales in past year

372

* Property stats calculated for last full calendar year (2024).

Live property stats in Isleworth

Live prices in Isleworth, Middlesex

* Extreme prices clipped for legibility

Properties for sale

Median price

£460,000

25% of properties below...

£330,000

75% of properties below...

£699,950

Most expensive property

£8,250,000

Live listings

381

Median days on market

92

Should you invest in Isleworth?

Opportunities

  • The steady rental yield of 5.6% and strong presence of families create a reliable rental market for investors seeking long-term tenants.
  • High demand for private rented homes (81st percentile) means rental properties are likely to remain in demand, especially for three-bedroom houses with a median asking rent of £2,388.
  • The area’s high proportion of degree-educated and professional residents suggests a stable tenant base willing to pay for quality accommodation.

Risks

  • Recent capital growth has changed by -2.4% over one year and by -0.3% over three years, indicating limited short-term capital appreciation.
  • The price-to-income ratio of 6.7 may limit future price growth, as affordability pressures could temper demand from owner-occupiers.
  • Properties are taking an average of 92 days to sell, which may signal slower liquidity for investors looking to exit quickly.

Outlook

The outlook for Isleworth is steady, with the rental market underpinned by a strong family demographic and high demand from private renters. While capital growth has been flat over the past three years (with annualised growth of -0.1%), the area’s fundamentals remain sound.

Affordability is stretched compared to many parts of Britain, but not out of step for London, and buyers should be prepared for longer sale times. Investors can expect stable rental income, especially in the family segment, but should not rely on rapid capital gains in the near term. The overall picture is one of moderate opportunity, with resilience coming from the area’s demographic profile and steady rental returns.

Live properties in Isleworth

Investment properties in Isleworth, Middlesex

2 bedroom maisonette for sale
56% below median price

£375,000

2 bedroom maisonette for sale

Witham Road, Isleworth

Properties needing refurbishment in Isleworth, Middlesex
Needs Refurb
3 bedroom maisonette for sale
On market for 177 days

£300,000

3 bedroom maisonette for sale

Mogden Lane, Isleworth

Slow to sell properties in Isleworth, Middlesex
Slow to Sell
1 bedroom flat for sale
Reduced by 19%

£242,000

1 bedroom flat for sale

Twickenham Road, Isleworth

Big price drop properties in Isleworth, Middlesex
Big Price Drop
6 bedroom semi-detached house for sale
High yield opportunity

£1,060,000

6 bedroom semi-detached house for sale

Harewood Road, Isleworth

HMO properties in Isleworth, Middlesex
HMO
3 bedroom semi-detached house for sale
968 sq ft

£547,500

3 bedroom semi-detached house for sale

Thatchers Way, Isleworth

Properties with planning granted in Isleworth, Middlesex
Planning Granted
2 bedroom flat for sale
58% below median price

£179,950

2 bedroom flat for sale

Golden Court, Isleworth

Low price-per-sq-ft properties in Isleworth, Middlesex
Low Price per Sq Ft

Achieved vs asking prices

Key takeaway: Balanced market

Discounts exist, but they won't transform deal economics on their own.

Headline stats

• Median discount: £10,250

• 1 in 4 properties sell at > £24,950 below asking

• 1 in 10 properties sell at > £35,000 below asking

In percentage terms:

• Median discount of 2.3%

• 25% of properties discounted by > 4.2%

• 10% of properties discounted by > 6.2%

Best places to invest in Isleworth

Top postcodes for rental yield and (annualised) capital growth

Rank
Postcode
Yield
Capital growth
Median £/sq ft
1TW75.6%0.2%£555 / 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.