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    28 Onslow Gardens

    28, ONSLOW GARDENS, LONDON, SW7 3AG

    This flat/maisonette leasehold property on Onslow Gardens last sold in June 2010 for £325,000. Based on price growth in the SW7 district since then, its estimated current value is £549,091 — placing it in the 83rd percentile nationally and the 6th percentile within SW7. The property covers 71 m² (764 sq ft), giving an estimated value of £7,734 per m². The EPC rating is C, with a potential rating of C.

    See wider trends for Onslow Gardens →

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    764 sq ft

    71 m²

    Last Sale Price

    £325,000

    Jun 2010

    Estimated Valuation

    £549,091

    Est. £/sq ft

    £719/sq ft

    £7,734/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formMid-Terrace
    Construction ageEngland and Wales: before 1900
    Habitable rooms2
    Main fuelmains gas (not community)
    EPC currentC
    EPC potentialC
    Floor area764 sq ft (71 m²)
    EPC dateOct 2018
    WallsSolid brick, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    22 Jun 2010

    £325,000

    30 Aug 2005

    £184,000

    29 May 2001

    £205,000

    5 Jan 2000

    £158,750

    14 Jun 1996

    £77,000

    Key Metrics

    Estimated valuation£549,091
    Value per sq ft / m²£719/sq ft (£7,734/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    SW7 district percentile6th percentile
    National percentile83rd percentile

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    Dec 2025

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    Aug 2025

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    Jul 2025

    84aFlat/Maisonette

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    Jul 2025

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    £3,500,000

    Mar 2025

    Flat 10 30Flat/Maisonette

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    Dec 2024

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    See wider trends for Onslow Gardens →

    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

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    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)