47 Harmer Green Lane

    47, HARMER GREEN LANE, WELWYN, AL6 0AP

    This detached freehold property on Harmer Green Lane last sold in October 2023 for £3,700,000. Based on price growth in the AL6 district since then, its estimated current value is £3,622,736 — placing it in the 99th percentile nationally and the 100th percentile within AL6. The property covers 173 m² (1,862 sq ft), giving an estimated value of £20,941 per m². The EPC rating is D, with a potential rating of C.

    See wider trends for Harmer Green Lane →

    Type

    Detached

    Tenure

    Freehold

    Floor Area

    1,862 sq ft

    173 m²

    Last Sale Price

    £3,700,000

    Oct 2023

    Estimated Valuation

    £3,622,736

    Est. £/sq ft

    £1,945/sq ft

    £20,941/m²

    Property Details

    TypeDetached
    TenureFreehold
    Built formDetached
    Construction ageEngland and Wales: 1950-1966
    Habitable rooms5
    Main fuelmains gas (not community)
    EPC currentD
    EPC potentialC
    Floor area1,862 sq ft (173 m²)
    EPC dateMar 2026
    WallsCavity wall, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    27 Oct 2023

    £3,700,000

    3 Jun 2005

    £835,000

    Key Metrics

    Estimated valuation£3,622,736
    Value per sq ft / m²£1,945/sq ft (£20,941/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    AL6 district percentile100th percentile
    National percentile99th percentile

    District Context — AL6

    See wider trends for AL6 →

    AL6 covers areas around Welwyn Garden City and Hatfield in Hertfordshire, north of London. It is an established commuter belt district with strong professional employment and family-oriented housing.

    Average Property Price - AL6

    £711,302

    96

    National percentile

    12 month avg at 30 Sep 2026

    Average Net Household Income - AL6

    £51,293

    91

    National percentile

    2023 census data

    10-Year Annualised Price Growth - AL6

    1.2%

    11

    National percentile

    Estimate at 30 Sep 2026

    10-Year Annualised Rent Growth - AL

    3.8%

    41

    National percentile

    Estimate at 30 Sep 2026

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