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.
9 RIDGEWAY is a large detached house of 132m², built sometime between 1967 and 1975, which could now be worth an estimated £310,775. It was last sold for £76,000 in September 2000, which was around 3% below the average September 2000 detached price in the Caerphilly local authority area. The most recent EPC inspection was November 2018, where the current energy rating was C, and the potential energy rating was A.
Land registry data shows one sale for 9 RIDGEWAY since 1st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the Caerphilly 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 |
|---|---|---|---|
2000 29 SEP | £76,000 | £77,973 | 3% below HPI |
9 RIDGEWAY might now be worth an estimated £310,775.
This is based on house price inflation of 308.9%, between September 2000 and April 2026, for detached houses, in the Caerphilly local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 308.9% inflationary increase is applied to the most recent sale price for 9 RIDGEWAY of £76,000 on 29th September 2000. For the value to have increased from £76,000 to £310,775 over the 26 years and five months to April 2026, the following assumptions must hold true:
9 RIDGEWAY is 132m² according to the EPC inspection conducted in November 2018. This puts it in the largest 40% of detached houses in Trethomas, based on EPC data. The below chart shows the distribution of detached houses by size in Trethomas, and where 9 RIDGEWAY lies on this distribution: 68% of detached houses are smaller than 9 RIDGEWAY, and 32% of detached houses are larger. Note that EPC data is not available for all properties in Trethomas.

9 RIDGEWAY sits on a plot of roughly 0.109 of an acre, or 441m².
9 RIDGEWAY is located in MACHEN, in the CF83 postcode district.
Most recent sales first: