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.
17 BOI CLOSE is a very small terraced house of 66m², built sometime between 1950 and 1966, which could now be worth an estimated £133,462. It was last sold for £75,000 in February 2007, which was around 9% below the average February 2007 terraced price in the Rhondda Cynon Taf local authority area. The most recent EPC inspection was November 2014, where the current energy rating was D, and the potential energy rating was B.
Land registry data shows one sale for 17 BOI CLOSE since 1st January 1995. The below table shows the price paid for the one sale, along with the average terraced price in the Rhondda Cynon Taf local authority area for the corresponding sale date. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2007 23 FEB | £75,000 | £82,486 | 9% below HPI |
17 BOI CLOSE might now be worth an estimated £133,462.
This is based on house price inflation of 77.9%, between February 2007 and May 2026, 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 77.9% inflationary increase is applied to the most recent sale price for 17 BOI CLOSE of £75,000 on 23rd February 2007. For the value to have increased from £75,000 to £133,462 over the eighteen years and nine months to May 2026, the following assumptions must hold true:
17 BOI CLOSE is 66m² according to the EPC inspection conducted in November 2014. This puts it in the smallest 20% of terraced houses in Mountain Ash, based on EPC data. The below chart shows the distribution of terraced houses by size in Mountain Ash, and where 17 BOI CLOSE lies on this distribution: 18% of terraced houses are smaller than 17 BOI CLOSE, and 81% of terraced houses are larger. Note that EPC data is not available for all properties in Mountain Ash.

17 BOI CLOSE sits on a plot of roughly 0.095 of an acre, or 383m².
17 BOI CLOSE is located in MOUNTAIN ASH, in the CF45 postcode district.
Most recent sales first: