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    Flat 5 423 Blackfen Road

    FLAT 5 423, BLACKFEN ROAD, SIDCUP, DA15 9NN

    This flat/maisonette leasehold property on Blackfen Road last sold in September 2016 for £231,000. Based on price growth in the DA15 district since then, its estimated current value is £283,889 — placing it in the 46th percentile nationally and the 6th percentile within DA15. The property covers 45 m² (484 sq ft), giving an estimated value of £6,309 per m². The EPC rating is B, with a potential rating of B.

    See wider trends for Blackfen Road →

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    484 sq ft

    45 m²

    Last Sale Price

    £231,000

    Sept 2016

    Estimated Valuation

    £283,889

    Est. £/sq ft

    £586/sq ft

    £6,309/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formSemi-Detached
    Construction ageEngland and Wales: 1991-1995
    Habitable rooms2
    Main fuelelectricity (not community)
    EPC currentB
    EPC potentialB
    Floor area484 sq ft (45 m²)
    EPC dateApr 2014
    WallsTimber frame, as built, insulated (assumed)
    HeatingElectric storage heaters

    Transaction History

    9 Sept 2016

    £231,000

    23 Apr 2015

    £165,000

    28 May 2008

    £162,000

    19 Dec 2002

    £114,995

    26 Mar 1999

    £59,000

    15 May 1998

    £56,000

    3 Dec 1996

    New build

    £42,000

    Key Metrics

    Estimated valuation£283,889
    Value per sq ft / m²£586/sq ft (£6,309/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    DA15 district percentile6th percentile
    National percentile46th percentile

    Other Properties on Blackfen Road

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    Mar 2026

    374Terraced

    £339,700

    Mar 2026

    59Detached

    £785,000

    Mar 2026

    104Flat/Maisonette

    £290,000

    Feb 2026

    6 Orchard CourtFlat/Maisonette

    £230,000

    Feb 2026

    3 Martel Court, 28Flat/Maisonette

    £300,000

    Dec 2025

    242aFlat/Maisonette

    £280,000

    Dec 2025

    350Terraced

    £400,000

    Dec 2025

    5 Martel Court, 28Flat/Maisonette

    £320,000

    Nov 2025

    4 Martel Court, 28Flat/Maisonette

    £300,000

    Nov 2025

    2 Martel Court, 28Flat/Maisonette

    £423,000

    Nov 2025

    135Semi-Detached

    £405,000

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    See wider trends for Blackfen Road →

    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

    More properties on Blackfen Road

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    Streets in DA15

    Holbeach GardensNeville CloseLarch GroveCloverdale GardensOrchard Rise WestBlackfen RoadWavell DriveRamillies RoadHarcourt AvenueBurns AvenuePark MeadChester Road

    Nearby districts

    DA8DA9DA10DA11DA12DA13DA14DA16DA17DA18SE22BR5

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