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    20 Carlisle Avenue

    20, CARLISLE AVENUE, ST ALBANS, AL3 5LU

    This semi-detached freehold property on Carlisle Avenue last sold in December 2020 for £1,760,000. Based on price growth in the AL3 district since then, its estimated current value is £2,006,676 — placing it in the 99th percentile nationally and the 99th percentile within AL3. The property covers 248 m² (2,669 sq ft), giving an estimated value of £8,091 per m². The EPC rating is D, with a potential rating of C.

    See wider trends for Carlisle Avenue →

    Type

    Semi-Detached

    Tenure

    Freehold

    Floor Area

    2,669 sq ft

    248 m²

    Last Sale Price

    £1,760,000

    Dec 2020

    Estimated Valuation

    £2,006,676

    Est. £/sq ft

    £752/sq ft

    £8,091/m²

    Property Details

    TypeSemi-Detached
    TenureFreehold
    Built formSemi-Detached
    Construction ageEngland and Wales: 1900-1929
    Habitable rooms9
    Main fuelmains gas (not community)
    EPC currentD
    EPC potentialC
    Floor area2,669 sq ft (248 m²)
    EPC dateFeb 2019
    WallsSolid brick, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    17 Dec 2020

    £1,760,000

    4 Feb 2008

    £180,873

    23 Aug 1996

    £270,000

    Key Metrics

    Estimated valuation£2,006,676
    Value per sq ft / m²£752/sq ft (£8,091/m²)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    AL3 district percentile99th percentile
    National percentile99th percentile

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    See wider trends for Carlisle Avenue →

    District Context — AL3

    See wider trends for AL3 →

    AL3 covers the village and rural areas around Harpenden in Hertfordshire, lying north of London and within commuting distance of the capital. It is a prosperous, family-oriented district characterised by period properties, green spaces, and strong community amenities.

    Average Property Price - AL3

    £672,725

    94

    National percentile

    12 month avg at 31 Aug 2026

    Average Net Household Income - AL3

    £55,431

    95

    National percentile

    2023 census data

    10-Year Annualised Price Growth - AL3

    2.7%

    39

    National percentile

    Estimate at 31 Aug 2026

    10-Year Annualised Rent Growth - AL

    3.8%

    44

    National percentile

    Estimate at 31 Aug 2026

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    Streets in AL3

    Folly AvenueLower Dagnall StreetGrange StreetThornton StreetMaryland PlaceCarlisle AvenueBettespol MeadowsFarriday CloseHigh OaksNeville ClosePartridge RoadSnatchup

    Nearby districts

    AL1AL2AL4AL5AL6AL7AL8AL9AL10WD24SG18

    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)