Based on the January 2025 Price Paid Data (released on 3rd March 2025), the December 2024 House Price Index (released on 19th February 2025), and the January 2025 Energy Performance of Buildings Data (released on 27th February 2025). Sources
23 CASWELL AVENUE is a large extended detached house of 138m², built sometime between 1930 and 1949. It was last sold for £380,000 in October 2004, which was around 111% above the average October 2004 detached price in the Swansea local authority area. The most recent EPC inspection was May 2018, where the current energy rating was D, and the potential energy rating was B.
Land registry data shows two sales for 23 CASWELL AVENUE since 1st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Swansea local authority area for the corresponding sale date. Both of the two 23 CASWELL AVENUE sales were for above 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 |
---|---|---|---|
2004 25 OCT | £380,000 | £180,093 | ![]() 111% above HPI |
1995 15 SEP | £79,000 | £73,303 | ![]() 8% above HPI |
The below graph shows the average detached house price in the Swansea local authority area over time, sourced from the HPI. The two 23 CASWELL AVENUE sales from September 1995 and October 2004 have been plotted on the graph. A line has been extrapolated to show what the value of the property might have been over time, following each sale, had it maintained the same margin above or below the HPI (as a percentage). For example, the September 1995 sale was for 8% above the HPI. So the extrapolation line tracks at 8% above the HPI over time, until the October 2004 sale, where it rises to 111% above the HPI. The line then continues to track at 111% above the HPI.
23 CASWELL AVENUE might now be worth an estimated £676,251.
This is based on house price inflation of 78%, between October 2004 and December 2024, for 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 78% inflationary increase is applied to the most recent sale price for 23 CASWELL AVENUE of £380,000 on 25th October 2004. For the value to have increased from £380,000 to £676,251 over the nineteen years and ten months to December 2024, the following assumptions must hold true:
23 CASWELL AVENUE is 138m², which includes two extensions, according to the EPC inspection conducted in May 2018. This puts it in the largest 30% of detached houses houses in Swansea, based on EPC data. The below chart shows the distribution of detached houses houses by size in Swansea, and where 23 CASWELL AVENUE lies on this distribution: 71% of detached houses houses are smaller than 23 CASWELL AVENUE, and 29% of houses are larger. Note that EPC data is not available for all properties in Swansea.
23 CASWELL AVENUE sits on a plot of roughly 0.091 of an acre, or 367m². The below map shows the location of 23 CASWELL AVENUE, an approximate outline of the building(s), and the indicative extent of the property. The plot extent is a Land Registry INSPIRE Index Polygon, and it is important to note that a title may include more than one polygon, whereas only one polygon is shown on the map (the polygon which intersects with the position of 23 CASWELL AVENUE). The full extent of the land contained in any registered title can only be identified from the individual title plan. The maps on this page should not be relied upon to establish the extent of a title.
23 CASWELL AVENUE is located in CASWELL, in the SA3 postcode district. The below map shows the position of No. 23 on CASWELL AVENUE.
Most recent sales first: