5, BLACKBROOK, TREHARRIS, CF46 5LY - £225,000

The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.

5 BLACKBROOK is a large extended semi-detached house of 99m², built sometime between 1900 and 1929, which could now be worth an estimated £233,956. It was last sold for £225,000 in June 2025, which was around 39% above the average June 2025 semi-detached price in the Merthyr Tydfil local authority area. The most recent EPC inspection was January 2019, where the current energy rating was D, and the potential energy rating was B.

5 BLACKBROOK Sold Prices

Land registry data shows one sale for 5 BLACKBROOK since 1^st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Merthyr Tydfil local authority area for the corresponding sale date. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

Date	Price	HPI Price	Variation from HPI
2025 27 JUN	£225,000	£162,345	39% above HPI

What might 5 BLACKBROOK be worth now?

5 BLACKBROOK might now be worth an estimated £233,956.

This is based on house price inflation of 4%, between June 2025 and July 2026, for semi-detached houses, in the Merthyr Tydfil local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 4% inflationary increase is applied to the most recent sale price for 5 BLACKBROOK of £225,000 on 27th June 2025. For the value to have increased from £225,000 to £233,956 over the eleven months to July 2026, the following assumptions must hold true:

• The value of 5 BLACKBROOK has moved in line with the HPI for semi-detached houses in the Merthyr Tydfil local authority area.
• The June 2025 sale price of £225,000 represented a fair market value for the property.
• The size, condition, and specification of 5 BLACKBROOK has not materially changed since June 2025.

How Large is 5 BLACKBROOK?

5 BLACKBROOK is 99m², which includes two extensions, according to the EPC inspection conducted in January 2019. This puts it in the largest 30% of semi-detached houses in Treharris, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Treharris, and where 5 BLACKBROOK lies on this distribution: 76% of semi-detached houses are smaller than 5 BLACKBROOK, and 24% of semi-detached houses are larger. Note that EPC data is not available for all properties in Treharris.

5 BLACKBROOK: Plot

5 BLACKBROOK sits on a plot of roughly 0.057 of an acre, or 232m².

Where is 5 BLACKBROOK?

5 BLACKBROOK is located in TREHARRIS, in the CF46 postcode district.