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.
50 SION STREET is a very small extended terraced house of 48m², built sometime between 1900 and 1929, which could now be worth an estimated £107,563. It was last sold for £95,000 in April 2023, which was around 22% below the average April 2023 terraced price in the Rhondda Cynon Taf local authority area. The most recent EPC inspection was May 2021, where the current energy rating was D, and the potential energy rating was B.
Land registry data shows two sales for 50 SION STREET since 1st January 1995. The below table shows the price paid for the two sales, along with the average terraced price in the Rhondda Cynon Taf local authority area for the corresponding sale date. Both of the two 50 SION STREET sales 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 |
|---|---|---|---|
2023 20 APR | £95,000 | £121,395 | 22% below HPI |
2020 14 SEP | £37,000 | £96,174 | 62% below HPI |
The below graph shows the average terraced house price in the Rhondda Cynon Taf local authority area over time, sourced from the HPI. The two 50 SION STREET sales from September 2020 and April 2023 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 2020 sale was for 62% below the HPI. So the extrapolation line tracks at 62% below the HPI over time, until the April 2023 sale, where it rises to 22% below the HPI. The line then continues to track at 22% below the HPI.

50 SION STREET might now be worth an estimated £107,563.
This is based on house price inflation of 13.2%, between April 2023 and July 2025, for terraced houses, in the Rhondda Cynon Taf local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 13.2% inflationary increase is applied to the most recent sale price for 50 SION STREET of £95,000 on 20th April 2023. For the value to have increased from £95,000 to £107,563 over the one year and nine months to July 2025, the following assumptions must hold true:
50 SION STREET is 48m², which includes two extensions, according to the EPC inspection conducted in May 2021. This puts it in the smallest 10% of terraced houses houses in Pontypridd, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Pontypridd, and where 50 SION STREET lies on this distribution: Less than 1% of terraced houses houses are smaller than 50 SION STREET, and more than 99% of houses are larger. Note that EPC data is not available for all properties in Pontypridd.

50 SION STREET sits on a plot of roughly 0.023 of an acre, or 95m². The below map shows the location of 50 SION 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 50 SION 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.

50 SION STREET is located in PONTYPRIDD, in the CF37 postcode district. The below map shows the position of No. 50 on SION STREET.

Most recent sales first: