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.
27 PENTWYN ISAF is a very large extended detached house of 180m², built sometime between 1976 and 1982, which could now be worth an estimated £645,626. It was last sold for £349,950 in October 2014, which was around 104% above the average October 2014 detached price in the Caerphilly local authority area. The most recent EPC inspection was April 2012, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for 27 PENTWYN ISAF 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 |
|---|---|---|---|
2014 6 OCT | £349,950 | £171,725 | 104% above HPI |
27 PENTWYN ISAF might now be worth an estimated £645,626.
This is based on house price inflation of 84.5%, between October 2014 and May 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 84.5% inflationary increase is applied to the most recent sale price for 27 PENTWYN ISAF of £349,950 on 6th October 2014. For the value to have increased from £349,950 to £645,626 over the twelve years and five months to May 2026, the following assumptions must hold true:
27 PENTWYN ISAF is 180m², which includes one extension, according to the EPC inspection conducted in April 2012. This puts it in the largest 10% of detached houses in Caerphilly, based on EPC data. The below chart shows the distribution of detached houses by size in Caerphilly, and where 27 PENTWYN ISAF lies on this distribution: 94% of detached houses are smaller than 27 PENTWYN ISAF, and 6% of detached houses are larger. Note that EPC data is not available for all properties in Caerphilly.

27 PENTWYN ISAF sits on a plot of roughly 0.154 of an acre, or 622m².
27 PENTWYN ISAF is located in CAERPHILLY, in the CF83 postcode district.
Most recent sales first: