BrickView

    40 Harmer Green Lane

    40, HARMER GREEN LANE, WELWYN, AL6 0AT

    This detached freehold property on Harmer Green Lane last sold in December 2021 for £1,726,000. Based on price growth in the AL6 district since then, its estimated current value is £1,792,218 — placing it in the 99th percentile nationally and the 96th percentile within AL6. The property covers 385 m² (4,144 sq ft), giving an estimated value of £4,655 per m². The EPC rating is C, with a potential rating of C.

    See wider trends for Harmer Green Lane →

    Type

    Detached

    Tenure

    Freehold

    Floor Area

    4,144 sq ft

    385 m²

    Last Sale Price

    £1,726,000

    Dec 2021

    Estimated Valuation

    £1,792,218

    Est. £/sq ft

    £432/sq ft

    £4,655/m²

    Property Details

    TypeDetached
    TenureFreehold
    Built formDetached
    Construction ageEngland and Wales: 1930-1949
    Habitable rooms9
    Main fuelmains gas (not community)
    EPC currentC
    EPC potentialC
    Floor area4,144 sq ft (385 m²)
    EPC dateMar 2018
    WallsCavity wall, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas, Boiler and radiators, mains gas

    Transaction History

    3 Dec 2021

    £1,726,000

    30 Jul 2010

    £1,240,000

    30 Apr 2004

    £950,000

    30 Apr 2002

    £632,500

    7 Aug 1997

    £412,500

    Key Metrics

    Estimated valuation£1,792,218
    Value per sq ft / m²£432/sq ft (£4,655/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    AL6 district percentile96th percentile
    National percentile99th percentile

    Other Properties on Harmer Green Lane

    95Detached

    £800,000

    Nov 2025

    Holly Cottage, 65Semi-Detached

    £1,095,000

    May 2025

    33Detached

    £1,310,000

    Mar 2025

    14Detached

    £760,464

    Oct 2024

    57Detached

    £700,000

    Nov 2023

    47Detached

    £3,700,000

    Oct 2023

    72Detached

    £1,650,000

    Sept 2023

    58Detached

    £1,150,000

    May 2023

    106Detached

    £2,150,000

    May 2023

    63Detached

    £952,000

    Dec 2022

    10Detached

    £800,000

    Oct 2022

    93Detached

    £1,046,000

    Sept 2022

    See wider trends for Harmer Green Lane →

    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

    £720,184

    95

    National percentile

    12 month avg at 31 Jul 2026

    Average Net Household Income - AL6

    £51,293

    91

    National percentile

    2023 census data

    10-Year Annualised Price Growth - AL6

    1.3%

    10

    National percentile

    Estimate at 31 Jul 2026

    10-Year Annualised Rent Growth - AL

    3.9%

    49

    National percentile

    Estimate at 31 Jul 2026

    More properties on Harmer Green Lane

    35 Harmer Green Lane37 Harmer Green Lane28 Harmer Green Lane32 Harmer Green Lane36 Harmer Green Lane38 Harmer Green Lane42 Harmer Green Lane44 Harmer Green Lane44a Harmer Green Lane46 Harmer Green Lane48a Harmer Green Lane52 Harmer Green Lane

    Streets in AL6

    Desborough DriveDigswell LaneReynards RoadChurch CottagesRabley Heath RoadHarmer Green LaneCowpers WayOrchard RoadFirs WalkTewin WaterBishops RoadDanesbury Lane

    Nearby districts

    AL1AL2AL3AL4AL5AL7AL8AL9AL10WD24SG18

    Other areas

    Shrewsbury (SY)Slough (SL)South East London (SE)South West London (SW)Southampton (SO)Southend-on-Sea (SS)Stevenage (SG)Stockport (SK)Stoke-on-Trent (ST)Sunderland (SR)Sutton (SM)Swansea (SA)