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    Flat 7 69 Onslow Square

    FLAT 7 69, ONSLOW SQUARE, LONDON, SW7 3LS

    This flat/maisonette leasehold property on Onslow Square last sold in December 2010 for £2,601,000. Based on price growth in the SW7 district since then, its estimated current value is £4,394,416 — placing it in the 99th percentile nationally and the 91st percentile within SW7. The property covers 149 m² (1,604 sq ft), giving an estimated value of £29,493 per m². The EPC rating is C, with a potential rating of B.

    See wider trends for Onslow Square →

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    1,604 sq ft

    149 m²

    Last Sale Price

    £2,601,000

    Dec 2010

    Estimated Valuation

    £4,394,416

    Est. £/sq ft

    £2,740/sq ft

    £29,493/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formMid-Terrace
    Construction ageEngland and Wales: before 1900
    Habitable rooms5
    Main fuelmains gas (community)
    EPC currentC
    EPC potentialB
    Floor area1,604 sq ft (149 m²)
    EPC dateOct 2020
    WallsTimber frame, as built, no insulation (assumed)
    HeatingCommunity scheme

    Transaction History

    20 Dec 2010

    £2,601,000

    Key Metrics

    Estimated valuation£4,394,416
    Value per sq ft / m²£2,740/sq ft (£29,493/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    SW7 district percentile91st percentile
    National percentile99th percentile

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    Flat 31 Malvern CourtFlat/Maisonette

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    See wider trends for Onslow Square →

    District Context — SW7

    See wider trends for SW7 →

    SW7 covers South Kensington and the surrounding area in central London, positioned in the heart of the capital's most prestigious neighbourhood. It is characterised by grand Victorian and Edwardian mansion blocks, world-class museums, and cultural institutions, drawing affluent professionals and international residents.

    Average Property Price - SW7

    £1,517,519

    100

    National percentile

    12 month avg at 31 Jul 2026

    Average Net Household Income - SW7

    £76,239

    100

    National percentile

    2023 census data

    10-Year Annualised Price Growth - SW7

    -4.9%

    1

    National percentile

    Estimate at 31 Jul 2026

    10-Year Annualised Rent Growth - SW

    3.2%

    8

    National percentile

    Estimate at 31 Jul 2026

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    Streets in SW7

    Cheval PlaceMontpelier WalkRutland Mews SouthManson MewsQueens GateOnslow SquarePetersham MewsAshburn PlaceKynance MewsLancelot PlaceGloucester RoadPrinces Gate

    Nearby districts

    SW2SW3SW4SW5SW6SW8SW9SW10SW11SW12SE22W3

    Other areas

    Romford (RM)Salisbury (SP)Sheffield (S)Shrewsbury (SY)Slough (SL)South East London (SE)Southampton (SO)Southend-on-Sea (SS)St Albans (AL)Stevenage (SG)Stockport (SK)Stoke-on-Trent (ST)