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.
15 PETREL CLOSE is a large extended terraced house of 128m², built sometime between 1976 and 1982, which could now be worth an estimated £333,121. It was last sold for £172,500 in March 2005, which was around 39% above the average March 2005 terraced price in the Vale of Glamorgan local authority area. The most recent EPC inspection was May 2026, where the current energy rating was C, and the potential energy rating was B.
Land registry data shows one sale for 15 PETREL CLOSE since 1st January 1995. The below table shows the price paid for the one sale, along with the average terraced price in the Vale of Glamorgan 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 |
|---|---|---|---|
2005 4 MAR | £172,500 | £123,703 | 39% above HPI |
15 PETREL CLOSE might now be worth an estimated £333,121.
This is based on house price inflation of 93.1%, between March 2005 and May 2026, for terraced houses, in the Vale of Glamorgan local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 93.1% inflationary increase is applied to the most recent sale price for 15 PETREL CLOSE of £172,500 on 4th March 2005. For the value to have increased from £172,500 to £333,121 over the twenty years and ten months to May 2026, the following assumptions must hold true:
15 PETREL CLOSE is 128m², which includes one extension, according to the EPC inspection conducted in May 2026. This puts it in the largest 30% of terraced houses in Penarth, based on EPC data. The below chart shows the distribution of terraced houses by size in Penarth, and where 15 PETREL CLOSE lies on this distribution: 75% of terraced houses are smaller than 15 PETREL CLOSE, and 24% of terraced houses are larger. Note that EPC data is not available for all properties in Penarth.

15 PETREL CLOSE sits on a plot of roughly 0.037 of an acre, or 149m².
15 PETREL CLOSE is located in PENARTH, in the CF64 postcode district.
Most recent sales first: