21 Gwillim Close

    21, GWILLIM CLOSE, SIDCUP, DA15 9NQ

    This semi-detached leasehold property on Gwillim Close last sold in November 2019 for £230,000. Based on price growth in the DA15 district since then, its estimated current value is £276,551 — placing it in the 44th percentile nationally and the 6th percentile within DA15. The property covers 59 m² (635 sq ft), giving an estimated value of £4,687 per m². The EPC rating is D, with a potential rating of C.

    See wider trends for Gwillim Close →

    Type

    Semi-Detached

    Tenure

    Leasehold

    Floor Area

    635 sq ft

    59 m²

    Last Sale Price

    £230,000

    Nov 2019

    Estimated Valuation

    £276,551

    Est. £/sq ft

    £435/sq ft

    £4,687/m²

    Property Details

    TypeSemi-Detached
    TenureLeasehold
    Built formSemi-Detached
    Construction ageEngland and Wales: 1950-1966
    Habitable rooms3
    Main fuelmains gas (not community)
    EPC currentD
    EPC potentialC
    Floor area635 sq ft (59 m²)
    EPC dateAug 2018
    WallsCavity wall, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    1 Nov 2019

    £230,000

    27 Nov 1998

    £51,000

    Key Metrics

    Estimated valuation£276,551
    Value per sq ft / m²£435/sq ft (£4,687/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    DA15 district percentile6th percentile
    National percentile44th percentile

    District Context — DA15

    See wider trends for DA15 →

    DA15 covers the Swanley area in the London Borough of Bromley, in Greater London's outer southeast. It is a suburban district with good transport links and a family-oriented character.

    Average Property Price - DA15

    £479,114

    81

    National percentile

    12 month avg at 31 Aug 2026

    Average Net Household Income - DA15

    £51,088

    91

    National percentile

    2023 census data

    10-Year Annualised Price Growth - DA15

    2.8%

    43

    National percentile

    Estimate at 31 Aug 2026

    10-Year Annualised Rent Growth - DA

    4.5%

    84

    National percentile

    Estimate at 31 Aug 2026

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