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.
40 HEOL EITHRIM is a very large extended semi-detached house of 105m², built sometime between 1950 and 1966, which could now be worth an estimated £136,512. It was last sold for £36,000 in September 2001, which was around 35% below the average September 2001 semi-detached price in the Swansea local authority area. The most recent EPC inspection was June 2015, where the current energy rating was D, and the potential energy rating was B.
Land registry data shows one sale for 40 HEOL EITHRIM since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Swansea 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 |
|---|---|---|---|
2001 17 SEP | £36,000 | £55,772 | 35% below HPI |
40 HEOL EITHRIM might now be worth an estimated £136,512.
This is based on house price inflation of 279.2%, between September 2001 and April 2026, for semi-detached houses, in the Swansea local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 279.2% inflationary increase is applied to the most recent sale price for 40 HEOL EITHRIM of £36,000 on 17th September 2001. For the value to have increased from £36,000 to £136,512 over the 25 years and five months to April 2026, the following assumptions must hold true:
40 HEOL EITHRIM is 105m², which includes one extension, according to the EPC inspection conducted in June 2015. This puts it in the largest 20% of semi-detached houses in Clydach, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Clydach, and where 40 HEOL EITHRIM lies on this distribution: 81% of semi-detached houses are smaller than 40 HEOL EITHRIM, and 18% of semi-detached houses are larger. Note that EPC data is not available for all properties in Clydach.

40 HEOL EITHRIM sits on a plot of roughly 0.099 of an acre, or 399m².
40 HEOL EITHRIM is located in CLYDACH, in the SA6 postcode district.
Most recent sales first: