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.
21 HEOL YSGUBOR is a large semi-detached house of 89m², built sometime between 1996 and 2002, which could now be worth an estimated £293,095. It was last sold for £52,600 in September 1995, which was around 44% above the average September 1995 semi-detached price in the Caerphilly local authority area. The most recent EPC inspection was April 2023, where the current energy rating was D, and the potential energy rating was B.
Land registry data shows one sale for 21 HEOL YSGUBOR since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-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 |
|---|---|---|---|
1995 15 SEP | £52,600 | £36,497 | 44% above HPI |
21 HEOL YSGUBOR might now be worth an estimated £293,095.
This is based on house price inflation of 457.2%, between September 1995 and May 2026, for semi-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 457.2% inflationary increase is applied to the most recent sale price for 21 HEOL YSGUBOR of £52,600 on 15th September 1995. For the value to have increased from £52,600 to £293,095 over the 31 years and four months to May 2026, the following assumptions must hold true:
21 HEOL YSGUBOR is 89m² according to the EPC inspection conducted in April 2023. This puts it in the largest 30% of semi-detached houses in Caerphilly, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Caerphilly, and where 21 HEOL YSGUBOR lies on this distribution: 70% of semi-detached houses are smaller than 21 HEOL YSGUBOR, and 29% of semi-detached houses are larger. Note that EPC data is not available for all properties in Caerphilly.

21 HEOL YSGUBOR sits on a plot of roughly 0.051 of an acre, or 207m².
21 HEOL YSGUBOR is located in CAERPHILLY, in the CF83 postcode district.
Most recent sales first: