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.
98 HEOL ISAF is a very large semi-detached house of 223m², built sometime between 1900 and 1929, which could now be worth an estimated £867,440. It was last sold for £168,000 in April 1998, which was around 167% above the average April 1998 semi-detached price in the Cardiff local authority area. The most recent EPC inspection was December 2013, where the current energy rating was E, and the potential energy rating was C.
Land registry data shows one sale for 98 HEOL ISAF since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Cardiff 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 |
|---|---|---|---|
1998 16 APR | £168,000 | £63,024 | 167% above HPI |
98 HEOL ISAF might now be worth an estimated £867,440.
This is based on house price inflation of 416.3%, between April 1998 and May 2026, for semi-detached houses, in the Cardiff local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 416.3% inflationary increase is applied to the most recent sale price for 98 HEOL ISAF of £168,000 on 16th April 1998. For the value to have increased from £168,000 to £867,440 over the 27 years and eleven months to May 2026, the following assumptions must hold true:
98 HEOL ISAF is 223m² according to the EPC inspection conducted in December 2013. This puts it in the largest 10% of semi-detached houses in Cardiff, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Cardiff, and where 98 HEOL ISAF lies on this distribution: 99% of semi-detached houses are smaller than 98 HEOL ISAF, and 1% of semi-detached houses are larger. Note that EPC data is not available for all properties in Cardiff.

98 HEOL ISAF sits on a plot of roughly 0.177 of an acre, or 717m².
98 HEOL ISAF is located in RADYR, in the CF15 postcode district.
Most recent sales first: