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 SINCLAIR DRIVE is a large extended detached house of 133m², built sometime between 1991 and 1995, which could now be worth an estimated £538,871. It was last sold for £477,000 in December 2021, which was around 3% above the average December 2021 detached price in the Cardiff local authority area. The most recent EPC inspection was August 2013, where the current energy rating was D, and the potential energy rating was B.
Land registry data shows one sale for 17 SINCLAIR DRIVE since 1st January 1995. The below table shows the price paid for the one sale, along with the average 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 |
|---|---|---|---|
2021 3 DEC | £477,000 | £461,640 | 3% above HPI |
17 SINCLAIR DRIVE might now be worth an estimated £538,871.
This is based on house price inflation of 13%, between December 2021 and April 2026, for 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 13% inflationary increase is applied to the most recent sale price for 17 SINCLAIR DRIVE of £477,000 on 3rd December 2021. For the value to have increased from £477,000 to £538,871 over the five years and eight months to April 2026, the following assumptions must hold true:
17 SINCLAIR DRIVE is 133m², which includes one extension, according to the EPC inspection conducted in August 2013. This puts it in the largest 40% of detached houses in Cardiff, based on EPC data. The below chart shows the distribution of detached houses by size in Cardiff, and where 17 SINCLAIR DRIVE lies on this distribution: 62% of detached houses are smaller than 17 SINCLAIR DRIVE, and 38% of detached houses are larger. Note that EPC data is not available for all properties in Cardiff.

17 SINCLAIR DRIVE sits on a plot of roughly 0.119 of an acre, or 482m².
17 SINCLAIR DRIVE is located in PENYLAN, in the CF23 postcode district.
Most recent sales first: