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.
25 DENE AVENUE is a large extended semi-detached house of 119m², built sometime between 1930 and 1949, which could now be worth an estimated £757,203. It was last sold for £295,000 in June 2003, which was around 44% above the average June 2003 semi-detached price in the Bexley local authority area. The most recent EPC inspection was October 2025, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for 25 DENE 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 |
|---|---|---|---|
2003 11 JUN | £295,000 | £205,563 | 44% above HPI |
25 DENE AVENUE might now be worth an estimated £757,203.
This is based on house price inflation of 156.7%, between June 2003 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 156.7% inflationary increase is applied to the most recent sale price for 25 DENE AVENUE of £295,000 on 11th June 2003. For the value to have increased from £295,000 to £757,203 over the 23 years and one month to May 2026, the following assumptions must hold true:
25 DENE AVENUE is 119m², which includes three extensions, according to the EPC inspection conducted in October 2025. This puts it in the largest 40% of semi-detached houses in Sidcup, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Sidcup, and where 25 DENE AVENUE lies on this distribution: 60% of semi-detached houses are smaller than 25 DENE AVENUE, and 39% of semi-detached houses are larger. Note that EPC data is not available for all properties in Sidcup.

25 DENE AVENUE sits on a plot of roughly 0.191 of an acre, or 773m².
25 DENE AVENUE is located in SIDCUP, in the DA15 postcode district.
Most recent sales first: