66 Eaton Square

    66, EATON SQUARE, LONDON, SW1W 9BQ

    This flat/maisonette leasehold property on Eaton Square last sold in December 2025 for £3,850,000. Based on price growth in the SW1W district since then, its estimated current value is £3,850,000 — placing it in the 99th percentile nationally and the 78th percentile within SW1W. The property covers 131 m² (1,410 sq ft), giving an estimated value of £29,389 per m². The EPC rating is C, with a potential rating of B.

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    1,410 sq ft

    131 m²

    Last Sale Price

    £3,850,000

    Dec 2025

    Estimated Valuation

    £3,850,000

    Est. £/sq ft

    £2,730/sq ft

    £29,389/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formMid-Terrace
    Construction ageEngland and Wales: 1900-1929
    Habitable rooms4
    Main fuelmains gas (not community)
    EPC currentC
    EPC potentialB
    Floor area1,410 sq ft (131 m²)
    EPC dateSept 2024
    WallsSolid brick, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    4 Dec 2025

    £3,850,000

    24 Oct 2019

    £2,490,000

    Key Metrics

    Estimated valuation£3,850,000
    Value per sq ft / m²£2,730/sq ft (£29,389/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    SW1W district percentile78th percentile
    National percentile99th percentile

    District Context — SW1W

    SW1W covers central London neighbourhoods including Belgravia, Knightsbridge, and Pimlico, sitting in the heart of Westminster. It is one of the capital's most prestigious residential addresses, characterised by grand period properties, embassies, and high-net-worth residents.

    Average Property Price - SW1W

    £2,782,457

    100

    National percentile

    Average Net Household Income - SW1W

    £54,939

    95

    National percentile

    10-Year Annualised Price Growth - SW1W

    1.8%

    7

    National percentile

    10-Year Annualised Rent Growth - SW1W

    3.2%

    11

    National percentile

    View full analysis for SW1W

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