21 Mardley Avenue

    21, MARDLEY AVENUE, WELWYN, WELWYN, AL6 0TU

    This detached freehold property on Mardley Avenue last sold in November 1996 for £142,250. Based on price growth in the AL6 district since then, its estimated current value is £690,241 — placing it in the 90th percentile nationally and the 41st percentile within AL6. The property covers 195 m² (2,099 sq ft), giving an estimated value of £3,540 per m². The EPC rating is C, with a potential rating of C.

    Type

    Detached

    Tenure

    Freehold

    Floor Area

    2,099 sq ft

    195 m²

    Last Sale Price

    £142,250

    Nov 1996

    Estimated Valuation

    £690,241

    Est. £/sq ft

    £329/sq ft

    £3,540/m²

    Property Details

    TypeDetached
    TenureFreehold
    Built formDetached
    Construction ageEngland and Wales: 1950-1966
    Habitable rooms6
    Main fuelmains gas (not community)
    EPC currentC
    EPC potentialC
    Floor area2,099 sq ft (195 m²)
    EPC dateNov 2025
    WallsCavity wall, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    22 Nov 1996

    £142,250

    24 Feb 1995

    £136,000

    Key Metrics

    Estimated valuation£690,241
    Value per sq ft / m²£329/sq ft (£3,540/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    AL6 district percentile41st percentile
    National percentile90th percentile

    District Context — 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

    £799,839

    96

    National percentile

    Average Net Household Income - AL6

    £51,293

    91

    National percentile

    10-Year Annualised Price Growth - AL6

    3.4%

    43

    National percentile

    10-Year Annualised Rent Growth - AL

    3.9%

    50

    National percentile

    View full analysis for AL6

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