High Street

    Ranked 138th of 189 streets in CF45 by average price

    High Street is a residential street in CF45, MOUNTAIN ASH, with 74 properties recorded in the Land Registry. The 3-year average sale price is £101,450, based on 10 transactions. Properties are predominantly terraced houses. The street has 73 freehold and 1 leasehold properties. The street ranks 138th of 189 streets in CF45 by average price.

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    3Y Avg Price

    £101,450

    10 sales

    Properties

    74

    73 freehold · 1 leasehold

    Sales / Year

    3.8

    5-year average

    Avg £/sq ft

    £133

    £1,434/m²

    Rank in CF45

    138th

    of 189 streets

    Last Sale

    £135,000

    Jul 2026

    Street Rankings — CF45

    Streets ranked by 3-year average sale price. Showing positions 134–143 of 189.

    #Street3Y Avg
    134Well Street£103,000
    135Navigation Villas£102,000
    136Pentwyn Avenue£101,500
    137James Street£101,475
    138High Street£101,450
    139St Davids Place£100,000
    140Walsh Street£98,750
    141Hughes Street£98,500
    141River Row£98,500
    143Cliff Street£98,400

    Property Mix

    Type

    Terraced65 (88%)
    Semi-Detached7 (9%)
    Detached2 (3%)

    Tenure

    Freehold73 (99%)
    Leasehold1 (1%)

    EPC Ratings

    54 of 74 properties have an EPC record

    A
    0 (0%)
    B
    0 (0%)
    C
    14 (26%)
    D
    33 (61%)
    E
    5 (9%)
    F
    1 (2%)
    G
    1 (2%)

    Avg floor area: 775 sq ft (72 m²)

    District Context — CF45

    See wider trends for 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

    £141,075

    2

    National percentile

    12 month avg at 31 Aug 2026

    Average Net Household Income - CF45

    £30,631

    9

    National percentile

    2023 census data

    10-Year Annualised Price Growth - CF45

    5.7%

    97

    National percentile

    Estimate at 31 Aug 2026

    10-Year Annualised Rent Growth - CF

    5.0%

    92

    National percentile

    Estimate at 31 Aug 2026

    Properties on High Street

    Streets in CF45

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