Flat 23 Boulogne House Frazer Nash Close

    FLAT 23 BOULOGNE HOUSE, FRAZER NASH CLOSE, ISLEWORTH, TW7 5FQ

    This flat/maisonette leasehold property on Frazer Nash Close last sold in November 2017 for £465,000. Based on price growth in the TW7 district since then, its estimated current value is £420,370 — placing it in the 70th percentile nationally and the 40th percentile within TW7. The property covers 73 m² (786 sq ft), giving an estimated value of £5,758 per m². The EPC rating is B, with a potential rating of B.

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    786 sq ft

    73 m²

    Last Sale Price

    £450,000

    Apr 2026

    Estimated Valuation

    £420,370

    Est. £/sq ft

    £535/sq ft

    £5,758/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formEnclosed End-Terrace
    Construction age2017
    Habitable roomsNot available
    Main fuelNot available
    EPC currentB
    EPC potentialB
    Floor area786 sq ft (73 m²)
    EPC dateNov 2017
    WallsAverage thermal transmittance 0.19 W/m²K
    HeatingCommunity scheme

    Transaction History

    1 Apr 2026

    £450,000

    20 Nov 2017

    New build

    £465,000

    Key Metrics

    Estimated valuation£420,370
    Value per sq ft / m²£535/sq ft (£5,758/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    TW7 district percentile40th percentile
    National percentile70th percentile

    District Context — TW7

    TW7 covers Isleworth and the surrounding areas in west London, positioned between the Thames and the M4 corridor. The district is characterised by a mix of suburban residential neighbourhoods with good transport links and proximity to London's wider amenities.

    Average Property Price - TW7

    £532,422

    84

    National percentile

    Average Net Household Income - TW7

    £54,843

    95

    National percentile

    10-Year Annualised Price Growth - TW7

    2.5%

    16

    National percentile

    10-Year Annualised Rent Growth - TW

    3.0%

    5

    National percentile

    View full analysis for TW7

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