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    Flat 2 21 Union Road

    FLAT 2 21, UNION ROAD, LONDON, SW4 6JQ

    This flat/maisonette leasehold property on Union Road last sold in June 2015 for £391,000. Based on price growth in the SW4 district since then, its estimated current value is £397,030 — placing it in the 67th percentile nationally and the 15th percentile within SW4. The property covers 40 m² (431 sq ft), giving an estimated value of £9,926 per m². The EPC rating is D, with a potential rating of C.

    See wider trends for Union Road →

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    431 sq ft

    40 m²

    Last Sale Price

    £420,000

    Jul 2026

    Estimated Valuation

    £397,030

    Est. £/sq ft

    £922/sq ft

    £9,926/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formSemi-Detached
    Construction ageEngland and Wales: before 1900
    Habitable rooms2
    Main fuelmains gas (not community)
    EPC currentD
    EPC potentialC
    Floor area431 sq ft (40 m²)
    EPC dateOct 2020
    WallsSolid brick, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    30 Jul 2026

    £420,000

    26 Jun 2015

    £391,000

    18 Sept 2013

    £330,001

    10 Jul 2009

    £217,000

    30 Sept 2002

    £164,950

    2 Mar 2001

    £108,000

    Key Metrics

    Estimated valuation£397,030
    Value per sq ft / m²£922/sq ft (£9,926/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    SW4 district percentile15th percentile
    National percentile67th percentile

    Other Properties on Union Road

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    £355,000

    Aug 2026

    81Terraced

    £1,165,000

    Nov 2025

    7 Surcot HouseFlat/Maisonette

    £600,000

    Sept 2025

    9 Haltone HouseFlat/Maisonette

    £641,000

    Sept 2025

    Ground Floor Flat 47Flat/Maisonette

    £707,000

    Jul 2025

    Flat 3 21Flat/Maisonette

    £645,000

    Aug 2024

    Flat 4 19Flat/Maisonette

    £607,500

    Jun 2024

    Flat 2 31Flat/Maisonette

    £483,000

    May 2024

    83Terraced

    £1,225,000

    Apr 2024

    Top Floor Flat 47Flat/Maisonette

    £483,500

    Feb 2024

    Flat 2 61Flat/Maisonette

    £502,500

    Nov 2023

    See wider trends for Union Road →

    District Context — SW4

    See wider trends for SW4 →

    SW4 covers Clapham and the surrounding neighbourhoods in south London, positioned between Balham and Battersea. It is an affluent residential district with strong appeal to young professionals and families, characterised by Victorian terraces, modern development, and vibrant local amenities.

    Average Property Price - SW4

    £742,723

    96

    National percentile

    12 month avg at 31 Jul 2026

    Average Net Household Income - SW4

    £56,554

    96

    National percentile

    2023 census data

    10-Year Annualised Price Growth - SW4

    -0.3%

    4

    National percentile

    Estimate at 31 Jul 2026

    10-Year Annualised Rent Growth - SW

    3.2%

    8

    National percentile

    Estimate at 31 Jul 2026

    More properties on Union Road

    Flat B, 47 Union RoadSecond Floor Flat 1 Union RoadFlat 3 19 Union RoadFlat 4 19 Union RoadFlat 5 19 Union RoadFlat 6 19 Union RoadFlat 3 21 Union Road21a Union RoadFlat 1 25 Union RoadFlat 2 25 Union RoadFlat 3 25 Union Road25a Union Road

    Streets in SW4

    Cavendish GardensClarence AvenueTremadoc RoadFerndale RoadSlievemore CloseUnion RoadVictoria RiseKings Head PassageLambourn RoadThe PolygonEdgeley RoadWingate Square

    Nearby districts

    SW2SW3SW5SW6SW7SW8SW9SW10SW11SW12SE22W3

    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)