6 Castlemaine House, 12 Rose & Crown Yard

    6 CASTLEMAINE HOUSE, 12, ROSE & CROWN YARD, LONDON, SW1Y 6RE

    This flat/maisonette leasehold property on Rose & Crown Yard last sold in December 2022 for £1,670,000. Based on price growth in the SW1Y district since then, its estimated current value is £549,773 — placing it in the 83rd percentile nationally and the 45th percentile within SW1Y. The property covers 68 m² (732 sq ft), giving an estimated value of £8,085 per m². The EPC rating is C, with a potential rating of B.

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    732 sq ft

    68 m²

    Last Sale Price

    £1,670,000

    Dec 2022

    Estimated Valuation

    £549,773

    Est. £/sq ft

    £751/sq ft

    £8,085/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formNot Recorded
    Construction ageEngland and Wales: 1996-2002
    Habitable rooms3
    Main fuelelectricity (not community)
    EPC currentC
    EPC potentialB
    Floor area732 sq ft (68 m²)
    EPC dateNov 2025
    WallsCavity wall, as built, insulated (assumed)
    HeatingRoom heaters, electric

    Transaction History

    20 Dec 2022

    £1,670,000

    Key Metrics

    Estimated valuation£549,773
    Value per sq ft / m²£751/sq ft (£8,085/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    SW1Y district percentile45th percentile
    National percentile83rd percentile

    District Context — SW1Y

    SW1Y covers central Westminster, including areas around St James's and Whitehall at the heart of London. It is one of the capital's most prestigious and politically significant postcodes, characterised by historic architecture, government institutions, and luxury properties.

    Average Property Price - SW1Y

    £849,500

    96

    National percentile

    Average Net Household Income - SW1Y

    £48,171

    84

    National percentile

    10-Year Annualised Price Growth - SW1Y

    -5.4%

    0

    National percentile

    10-Year Annualised Rent Growth - SW1Y

    3.2%

    11

    National percentile

    View full analysis for SW1Y

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