52, WILLIAM STREET, TRETHOMAS, CAERPHILLY, CF83 8FX - £210,000

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.

52 WILLIAM STREET is a midsized extended terraced house of 93m², built sometime between 1900 and 1929. It was last sold for £210,000 in May 2026, which was around 24% above the average May 2026 terraced price in the Caerphilly local authority area. The most recent EPC inspection was October 2016, where the current energy rating was E, and the potential energy rating was C.

52 WILLIAM STREET Sold Prices

Land registry data shows six sales for 52 WILLIAM STREET since 1^st January 1995. The below table shows the price paid for the six sales, along with the average terraced price in the Caerphilly local authority area for the corresponding sale date. All of the six 52 WILLIAM STREET 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
2026 8 MAY	£210,000	£168,887	24% above HPI
2020 12 MAR	£147,000	£111,753	32% above HPI
2016 14 DEC	£139,950	£96,528	45% above HPI
2004 10 SEP	£109,950	£81,776	34% above HPI
2003 7 MAY	£79,950	£52,049	54% above HPI
1999 27 MAY	£46,250	£33,746	37% above HPI

52 WILLIAM STREET Price Paid vs. HPI Average

The below graph shows the average terraced house price in the Caerphilly local authority area over time, sourced from the HPI. The six 52 WILLIAM STREET sales between May 1999 and May 2026 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 March 2020 sale was for 32% above the HPI. So the extrapolation line tracks at 32% above the HPI over time, until the May 2026 sale, where it falls to 24% above the HPI. The line then continues to track at 24% above the HPI.

How Large is 52 WILLIAM STREET?

52 WILLIAM STREET is 93m², which includes one extension, according to the EPC inspection conducted in October 2016. This puts it in the smallest 40% of terraced houses houses in Trethomas, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Trethomas, and where 52 WILLIAM STREET lies on this distribution: 40% of terraced houses houses are smaller than 52 WILLIAM STREET, and 60% of houses are larger. Note that EPC data is not available for all properties in Trethomas.

52 WILLIAM STREET: Plot and Title Map

52 WILLIAM STREET sits on a plot of roughly 0.029 of an acre, or 119m². The below map shows the location of 52 WILLIAM STREET, 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 52 WILLIAM STREET). 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 52 WILLIAM STREET?

52 WILLIAM STREET is located in TRETHOMAS, in the CF83 postcode district. The below map shows the position of No. 52 on WILLIAM STREET.