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.
41 BLETHIN CLOSE is a very small semi-detached house of 64m², built sometime between 1976 and 1982, which could now be worth an estimated £255,774. It was last sold for £125,000 in February 2009, which was around 21% below the average February 2009 semi-detached price in the Cardiff local authority area. The most recent EPC inspection was October 2008, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for 41 BLETHIN CLOSE since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Cardiff 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 |
|---|---|---|---|
2009 20 FEB | £125,000 | £157,764 | 21% below HPI |
41 BLETHIN CLOSE might now be worth an estimated £255,774.
This is based on house price inflation of 104.6%, between February 2009 and April 2026, for semi-detached houses, in the Cardiff local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 104.6% inflationary increase is applied to the most recent sale price for 41 BLETHIN CLOSE of £125,000 on 20th February 2009. For the value to have increased from £125,000 to £255,774 over the sixteen years and ten months to April 2026, the following assumptions must hold true:
41 BLETHIN CLOSE is 64m² according to the EPC inspection conducted in October 2008. This puts it in the smallest 10% of semi-detached houses in Cardiff, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Cardiff, and where 41 BLETHIN CLOSE lies on this distribution: 8% of semi-detached houses are smaller than 41 BLETHIN CLOSE, and 92% of semi-detached houses are larger. Note that EPC data is not available for all properties in Cardiff.

41 BLETHIN CLOSE sits on a plot of roughly 0.046 of an acre, or 185m².
41 BLETHIN CLOSE is located in CARDIFF, in the CF5 postcode district.
Most recent sales first: