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.
21 WESTERHAM DRIVE is a very small semi-detached house of 60m², built sometime between 1930 and 1949, which could now be worth an estimated £573,450. It was last sold for £135,000 in April 2000, which was around 9% above the average April 2000 semi-detached price in the Bexley local authority area. The most recent EPC inspection was June 2017, where the current energy rating was D, and the potential energy rating was B.
Land registry data shows one sale for 21 WESTERHAM DRIVE since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Bexley 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 |
|---|---|---|---|
2000 26 APR | £135,000 | £124,092 | 9% above HPI |
21 WESTERHAM DRIVE might now be worth an estimated £573,450.
This is based on house price inflation of 324.8%, between April 2000 and April 2026, for semi-detached houses, in the Bexley local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 324.8% inflationary increase is applied to the most recent sale price for 21 WESTERHAM DRIVE of £135,000 on 26th April 2000. For the value to have increased from £135,000 to £573,450 over the 26 years to April 2026, the following assumptions must hold true:
21 WESTERHAM DRIVE is 60m² according to the EPC inspection conducted in June 2017. This puts it in the smallest 10% of semi-detached houses in London, based on EPC data. The below chart shows the distribution of semi-detached houses by size in London, and where 21 WESTERHAM DRIVE lies on this distribution: 3% of semi-detached houses are smaller than 21 WESTERHAM DRIVE, and 96% of semi-detached houses are larger. Note that EPC data is not available for all properties in London.

21 WESTERHAM DRIVE sits on a plot of roughly 0.085 of an acre, or 342m².
21 WESTERHAM DRIVE is located in SIDCUP, in the DA15 postcode district.
Most recent sales first: