50, SOUTHERNDOWN AVENUE, MAYALS, SWANSEA, SA3 5EL - £367,000

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

50 SOUTHERNDOWN AVENUE is a small detached house of 98m², built sometime between 1967 and 1975. It was last sold for £367,000 in July 2021, which was around 32% above the average July 2021 detached price in the Swansea local authority area. The most recent EPC inspection was October 2018, where the current energy rating was F, and the potential energy rating was C.

50 SOUTHERNDOWN AVENUE Sold Prices

Land registry data shows two sales for 50 SOUTHERNDOWN AVENUE since 1^st 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 50 SOUTHERNDOWN 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
2021 30 JUL	£367,000	£277,344	32% above HPI
2019 26 APR	£280,000	£235,303	19% above HPI

50 SOUTHERNDOWN AVENUE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Swansea local authority area over time, sourced from the HPI. The two 50 SOUTHERNDOWN AVENUE sales from April 2019 and July 2021 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 April 2019 sale was for 19% above the HPI. So the extrapolation line tracks at 19% above the HPI over time, until the July 2021 sale, where it rises to 32% above the HPI. The line then continues to track at 32% above the HPI.

What might 50 SOUTHERNDOWN AVENUE be worth now?

50 SOUTHERNDOWN AVENUE might now be worth an estimated £424,100.

This is based on house price inflation of 15.6%, between July 2021 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 15.6% inflationary increase is applied to the most recent sale price for 50 SOUTHERNDOWN AVENUE of £367,000 on 30th July 2021. For the value to have increased from £367,000 to £424,100 over the two years and seven months to December 2024, the following assumptions must hold true:

• The value of 50 SOUTHERNDOWN AVENUE has moved in line with the HPI for detached houses in the Swansea local authority area.
• The July 2021 sale price of £367,000 represented a fair market value for the property.
• The size, condition, and specification of 50 SOUTHERNDOWN AVENUE has not materially changed since July 2021.

How Large is 50 SOUTHERNDOWN AVENUE?

50 SOUTHERNDOWN AVENUE is 98m² according to the EPC inspection conducted in October 2018. This puts it in the smallest 40% 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 50 SOUTHERNDOWN AVENUE lies on this distribution: 33% of detached houses houses are smaller than 50 SOUTHERNDOWN AVENUE, and 66% of houses are larger. Note that EPC data is not available for all properties in Swansea.

50 SOUTHERNDOWN AVENUE: Plot and Title Map

50 SOUTHERNDOWN AVENUE sits on a plot of roughly 0.214 of an acre, or 868m². The below map shows the location of 50 SOUTHERNDOWN 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 50 SOUTHERNDOWN 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.

Where is 50 SOUTHERNDOWN AVENUE?

50 SOUTHERNDOWN AVENUE is located in MAYALS, in the SA3 postcode district. The below map shows the position of No. 50 on SOUTHERNDOWN AVENUE.