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    Flat 9 Harmont House, 20 Harley Street

    FLAT 9 HARMONT HOUSE, 20, HARLEY STREET, LONDON, W1G 9PH

    This flat/maisonette leasehold property on Harley Street last sold in June 2015 for £1,425,000. Based on price growth in the W1G district since then, its estimated current value is £1,641,582 — placing it in the 98th percentile nationally and the 53rd percentile within W1G. The property covers 75 m² (807 sq ft), giving an estimated value of £21,888 per m². The EPC rating is C, with a potential rating of B.

    Type

    Flat/Maisonette

    Tenure

    Leasehold

    Floor Area

    807 sq ft

    75 m²

    Last Sale Price

    £1,425,000

    Jun 2015

    Estimated Valuation

    £1,641,582

    Est. £/sq ft

    £2,033/sq ft

    £21,888/m²

    Property Details

    TypeFlat/Maisonette
    TenureLeasehold
    Built formMid-Terrace
    Construction ageEngland and Wales: 1950-1966
    Habitable rooms3
    Main fuelmains gas (not community)
    EPC currentC
    EPC potentialB
    Floor area807 sq ft (75 m²)
    EPC dateFeb 2015
    WallsCavity wall, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    19 Jun 2015

    £1,425,000

    31 Jan 2006

    £79,500

    18 Jun 1999

    £265,000

    Key Metrics

    Estimated valuation£1,641,582
    Value per sq ft / m²£2,033/sq ft (£21,888/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    W1G district percentile53rd percentile
    National percentile98th percentile

    Other Properties on Harley Street

    59Terraced

    £7,500,000

    Sept 2025

    Apartment 10 103 - 105Flat/Maisonette

    £1,365,000

    Jan 2025

    Apartment 9 103 - 105Flat/Maisonette

    £840,000

    Jul 2024

    Flat 41 Harmont House, 20Flat/Maisonette

    £2,200,000

    Jul 2024

    Third Floor Flat 90Flat/Maisonette

    £1,250,000

    Jul 2024

    Flat 4 Park House, 123 - 125Flat/Maisonette

    £1,100,000

    Nov 2023

    First Floor 92Flat/Maisonette

    £3,600,000

    Sept 2023

    Fourth Floor Flat 94Flat/Maisonette

    £850,000

    Sept 2023

    Basement And Ground Floor Maisonette 50Flat/Maisonette

    £1,890,000

    Aug 2023

    Apartment 6 103 - 105Flat/Maisonette

    £1,700,000

    Aug 2023

    Flat 3 30Flat/Maisonette

    £1,600,000

    Jul 2023

    Flat 4 Harmont House, 20Flat/Maisonette

    £1,380,000

    May 2023

    View full analysis for Harley Street →

    District Context — W1G

    W1G covers Mayfair and surrounding parts of central London's West End, sitting at the heart of the capital's most prestigious postcodes. It is characterised by luxury residential properties, world-class amenities, and consistently high demand from international and domestic affluent buyers.

    Average Property Price - W1G

    £2,230,106

    100

    National percentile

    Average Net Household Income - W1G

    £70,245

    100

    National percentile

    10-Year Annualised Price Growth - W1G

    1.1%

    4

    National percentile

    10-Year Annualised Rent Growth - W1G

    2.8%

    2

    National percentile

    View full analysis for W1G →

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