12 Thomas Street

    12, THOMAS STREET, MOUNTAIN ASH, CF45 3BU

    This terraced freehold property on Thomas Street last sold in February 2026 for £145,000. Based on price growth in the CF45 district since then, its estimated current value is £145,000 — placing it in the 12th percentile nationally and the 64th percentile within CF45. The property covers 76 m² (818 sq ft), giving an estimated value of £1,908 per m². The EPC rating is C, with a potential rating of C.

    Type

    Terraced

    Tenure

    Freehold

    Floor Area

    76 m²

    (818 sq ft)

    Last Sale Price

    £145,000

    Feb 2026

    Estimated Valuation

    £145,000

    Est. £/m²

    £1,908/m²

    £177/sq ft

    Property Details

    TypeTerraced
    TenureFreehold
    Built formMid-Terrace
    Construction ageEngland and Wales: before 1900
    Habitable rooms4
    Main fuelmains gas (not community)
    EPC currentC
    EPC potentialC
    Floor area76 m² (818 sq ft)
    EPC dateDec 2025
    WallsSandstone, as built, no insulation (assumed)
    HeatingBoiler and radiators, mains gas

    Transaction History

    20 Feb 2026

    £145,000

    Key Metrics

    Estimated valuation£145,000
    Value per m² / sq ft£1,908/m² (£177/sq ft)
    Estimated gross yieldNot available
    Implied monthly rentNot available
    CF45 district percentile64th percentile
    National percentile12th percentile

    District Context — CF45

    CF45 covers communities in the Caerphilly and Merthyr Tydfil area of South Wales, located in the eastern valleys region. It is a residential district with a strong community character, reflecting the area's industrial heritage.

    Average Property Price - CF45

    £139,592

    2

    National percentile

    Average Net Household Income - CF45

    £30,631

    9

    National percentile

    10-Year Annualised Price Growth - CF45

    6.8%

    99

    National percentile

    10-Year Annualised Rent Growth - CF

    4.8%

    90

    National percentile

    View full analysis for CF45

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