Property trends for TW4

    TW4 covers Isleworth and surrounding areas in west London, sitting between the Thames and the M4 corridor. It is a diverse, mixed-tenure neighbourhood with strong transport links and a broad demographic mix.

    At a Glance

    Average Property Price - TW4

    £431,014

    72

    National percentile

    Average Monthly Rent - TW

    £1,922

    91

    National percentile

    Average Net Household Income - TW4

    £48,156

    84

    National percentile

    Flat / Maisonette Yield - TW

    5.0%

    22

    National percentile

    10-Year Annualised Price Growth - TW4

    3.7%

    55

    National percentile

    10-Year Annualised Rent Growth - TW

    3.0%

    5

    National percentile

    Property Price & Volume Trends

    The average property price of £431,000 places TW4 among the more expensive areas nationally. Over the past decade, prices have grown at 3.7% per year, in line with the national trend. Transaction activity has been notably subdued, with 73 sales in the latest year against a 10-year average of 107—a significant contraction suggesting a slower market.

    Rent & Yield Trends

    Rental costs of £1,922 per month are among the highest in the country. However, rental growth has lagged the national average over the past decade at just 3.0% annually. The flat yield of 5.0% currently exceeds its 10-year average of 4.0%, reflecting improved returns for landlords despite the slower rental growth backdrop.

    Income & Affordability Trends

    Average household income of £48,156 is well above the national norm, placing the area among the higher-earning districts. The price-to-income ratio of 9.6x has deteriorated slightly from 9.2x in 2016, indicating affordability has become tighter for buyers. Rental affordability has improved markedly, with the rent-to-income ratio falling from 41.2% in 2016 to 36.1% today.

    Resident Demographic Profile

    The area skews notably towards families and middle-aged residents: 35–49-year-olds comprise 25.5% of the population, well above the national average of 18.7%, while under-15s at 20.9% are also elevated. The 65+ population is substantially lower than average at 11.1%. The tenure profile is dominated by private renting at 38.6%—nearly double the national average—whilst outright ownership is correspondingly low at 21%. The employment mix shows a distinctive concentration in elementary occupations at 19.4%, notably above the national figure of 10.2%.

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