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 OLD DOWNS is a small extended detached house of 126m², built sometime between 1950 and 1966, which could now be worth an estimated £799,065. It was last sold for £295,000 in July 2002, which was around 22% below the average July 2002 detached price in the Sevenoaks local authority area. The most recent EPC inspection was December 2013, where the current energy rating was E, and the potential energy rating was C.
Land registry data shows one sale for 21 OLD DOWNS since 1st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the Sevenoaks 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 |
|---|---|---|---|
2002 22 JUL | £295,000 | £376,827 | 22% below HPI |
21 OLD DOWNS might now be worth an estimated £799,065.
This is based on house price inflation of 170.9%, between July 2002 and April 2026, for detached houses, in the Sevenoaks local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 170.9% inflationary increase is applied to the most recent sale price for 21 OLD DOWNS of £295,000 on 22nd July 2002. For the value to have increased from £295,000 to £799,065 over the 24 years and three months to April 2026, the following assumptions must hold true:
21 OLD DOWNS is 126m², which includes one extension, according to the EPC inspection conducted in December 2013. This puts it in the smallest 40% of detached houses in Hartley, based on EPC data. The below chart shows the distribution of detached houses by size in Hartley, and where 21 OLD DOWNS lies on this distribution: 36% of detached houses are smaller than 21 OLD DOWNS, and 64% of detached houses are larger. Note that EPC data is not available for all properties in Hartley.

21 OLD DOWNS sits on a plot of roughly 0.108 of an acre, or 437m².
21 OLD DOWNS is located in HARTLEY, in the DA3 postcode district.
Most recent sales first: