99, MAYALS AVENUE, BLACKPILL, SWANSEA, SA3 5DD - £450,000

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.

99 MAYALS AVENUE is a midsized extended semi-detached house of 116m², built sometime between 1950 and 1966. It was last sold for £450,000 in March 2025, which was around 116% above the average March 2025 semi-detached price in the Swansea local authority area. The most recent EPC inspection was September 2024, where the current energy rating was C, and the potential energy rating was B.

99 MAYALS AVENUE Sold Prices

Land registry data shows three sales for 99 MAYALS AVENUE since 1^st 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. All of the three 99 MAYALS 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
2025 17 MAR	£450,000	£208,092	116% above HPI
2015 16 OCT	£260,000	£129,671	101% above HPI
1998 26 NOV	£84,000	£46,152	82% above HPI

99 MAYALS AVENUE Price Paid vs. HPI Average

The below graph shows the average semi-detached house price in the Swansea local authority area over time, sourced from the HPI. The three 99 MAYALS AVENUE sales between November 1998 and March 2025 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 October 2015 sale was for 101% above the HPI. So the extrapolation line tracks at 101% above the HPI over time, until the March 2025 sale, where it rises to 116% above the HPI. The line then continues to track at 116% above the HPI.

How Large is 99 MAYALS AVENUE?

99 MAYALS AVENUE is 116m², which includes one extension, according to the EPC inspection conducted in September 2024. This puts it in the largest 50% of semi-detached houses houses in Swansea, based on EPC data. The below chart shows the distribution of semi-detached houses houses by size in Swansea, and where 99 MAYALS AVENUE lies on this distribution: 53% of semi-detached houses houses are smaller than 99 MAYALS AVENUE, and 46% of houses are larger. Note that EPC data is not available for all properties in Swansea.

99 MAYALS AVENUE: Plot and Title Map

99 MAYALS AVENUE sits on a plot of roughly 0.112 of an acre, or 453m². The below map shows the location of 99 MAYALS 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 99 MAYALS 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 99 MAYALS AVENUE?

99 MAYALS AVENUE is located in BLACKPILL, in the SA3 postcode district. The below map shows the position of No. 99 on MAYALS AVENUE.