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 CORNWALL AVENUE is a large extended semi-detached house of 138m², built sometime between 1930 and 1949, which could now be worth an estimated £709,511. It was last sold for £585,000 in July 2020, which was around 34% above the average July 2020 semi-detached price in the Bexley local authority area. The most recent EPC inspection was August 2019, where the current energy rating was E, and the potential energy rating was C.
Land registry data shows one sale for 21 CORNWALL AVENUE 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 |
|---|---|---|---|
2020 7 JUL | £585,000 | £435,043 | 34% above HPI |
21 CORNWALL AVENUE might now be worth an estimated £709,511.
This is based on house price inflation of 21.3%, between July 2020 and May 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 21.3% inflationary increase is applied to the most recent sale price for 21 CORNWALL AVENUE of £585,000 on 7th July 2020. For the value to have increased from £585,000 to £709,511 over the six years and two months to May 2026, the following assumptions must hold true:
21 CORNWALL AVENUE is 138m², which includes three extensions, according to the EPC inspection conducted in August 2019. This puts it in the largest 30% 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 CORNWALL AVENUE lies on this distribution: 78% of semi-detached houses are smaller than 21 CORNWALL AVENUE, and 21% of semi-detached houses are larger. Note that EPC data is not available for all properties in London.

21 CORNWALL AVENUE sits on a plot of roughly 0.112 of an acre, or 454m².
21 CORNWALL AVENUE is located in WELLING, in the DA16 postcode district.
Most recent sales first: