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.
4 BLACKBROOK is a semi-detached house, which could now be worth an estimated £203,246. It was last sold for £41,500 in July 1997, which was around 20% above the average July 1997 semi-detached price in the Merthyr Tydfil local authority area.
Land registry data shows one sale for 4 BLACKBROOK since 1st 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 |
|---|---|---|---|
1997 4 JUL | £41,500 | £34,468 | 20% above HPI |
4 BLACKBROOK might now be worth an estimated £203,246.
This is based on house price inflation of 389.7%, between July 1997 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 389.7% inflationary increase is applied to the most recent sale price for 4 BLACKBROOK of £41,500 on 4th July 1997. For the value to have increased from £41,500 to £203,246 over the 29 years to July 2026, the following assumptions must hold true:
4 BLACKBROOK is located in TREHARRIS, in the CF46 postcode district.
Most recent sales first: