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    Flat 8 61 Onslow Square

    FLAT 8 61, ONSLOW SQUARE, LONDON, SW7 3LS

    This flat/maisonette leasehold property on Onslow Square last sold in September 2023 for £2,750,000. Based on price growth in the SW7 district since then, its estimated current value is £2,613,281 — placing it in the 99th percentile nationally and the 76th percentile within SW7. The property covers 143 m² (1,539 sq ft), giving an estimated value of £18,275 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

    1,539 sq ft

    143 m²

    Last Sale Price

    £2,750,000

    Sept 2023

    Estimated Valuation

    £2,613,281

    Est. £/sq ft

    £1,698/sq ft

    £18,275/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formMid-Terrace
    Construction ageEngland and Wales: before 1900
    Habitable rooms4
    Main fuelmains gas (community)
    EPC currentC
    EPC potentialB
    Floor area1,539 sq ft (143 m²)
    EPC dateMay 2016
    WallsSolid brick, as built, no insulation (assumed)
    HeatingCommunity scheme

    Transaction History

    27 Sept 2023

    £2,750,000

    1 Jul 2013

    £3,125,000

    31 May 2006

    £1,950,000

    12 Sept 2005

    £900,000

    Key Metrics

    Estimated valuation£2,613,281
    Value per sq ft / m²£1,698/sq ft (£18,275/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    SW7 district percentile76th percentile
    National percentile99th percentile

    Other Properties on Onslow Square

    Flat 4 81Flat/Maisonette

    £3,700,000

    Jun 2026

    Flat 4 51Flat/Maisonette

    £2,425,000

    Feb 2026

    Flat 8 20Flat/Maisonette

    £2,280,000

    Dec 2025

    Flat 2 11Flat/Maisonette

    £2,750,000

    Nov 2025

    Flat 11 Malvern CourtFlat/Maisonette

    £1,725,000

    Oct 2025

    Flat 10 81Flat/Maisonette

    £2,500,000

    Aug 2025

    Flat 9 14Flat/Maisonette

    £2,200,000

    Jun 2025

    Flat 31 Malvern CourtFlat/Maisonette

    £1,850,000

    Apr 2025

    Flat 21 Malvern CourtFlat/Maisonette

    £1,490,000

    Mar 2025

    Flat 16 27Flat/Maisonette

    £275,000

    Nov 2024

    Flat 2 23Flat/Maisonette

    £2,825,000

    Nov 2024

    Flat 12 25Flat/Maisonette

    £560,000

    Oct 2024

    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 Aug 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 Aug 2026

    10-Year Annualised Rent Growth - SW

    3.2%

    8

    National percentile

    Estimate at 31 Aug 2026

    More properties on Onslow Square

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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)