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.
151 DERLWYN is a very small semi-detached house of 70m², built sometime between 1950 and 1966, which could now be worth an estimated £243,380. It was last sold for £170,000 in October 2018, which was around 15% above the average October 2018 semi-detached price in the Swansea local authority area. The most recent EPC inspection was March 2024, where the current energy rating was C, and the potential energy rating was B.
Land registry data shows three sales for 151 DERLWYN since 1st January 1995. The below table shows the price paid for the three sales, along with the average semi-detached price in the Swansea local authority area for the corresponding sale date. One of the three 151 DERLWYN sales was for above the average price, whilst two were for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2018 26 OCT | £170,000 | £147,605 | 15% above HPI |
2010 29 JAN | £122,000 | £124,093 | 2% below HPI |
2010 29 JAN | £122,000 | £124,093 | 2% below HPI |
151 DERLWYN might now be worth an estimated £243,380.
This is based on house price inflation of 43.2%, between October 2018 and May 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 43.2% inflationary increase is applied to the most recent sale price for 151 DERLWYN of £170,000 on 26th October 2018. For the value to have increased from £170,000 to £243,380 over the eight years and five months to May 2026, the following assumptions must hold true:
151 DERLWYN is 70m² according to the EPC inspection conducted in March 2024. This puts it in the smallest 20% of semi-detached houses in Swansea, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Swansea, and where 151 DERLWYN lies on this distribution: 16% of semi-detached houses are smaller than 151 DERLWYN, and 82% of semi-detached houses are larger. Note that EPC data is not available for all properties in Swansea.

151 DERLWYN sits on a plot of roughly 0.047 of an acre, or 191m².
151 DERLWYN is located in DUNVANT, in the SA2 postcode district.
Most recent sales first: