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.
20B OLD DOWNS is a detached house, which could now be worth an estimated £1,225,325. It was last sold for £1,200,000 in July 2025, which was around 20% above the average July 2025 detached price in the Sevenoaks local authority area.
Land registry data shows one sale for 20B 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 |
|---|---|---|---|
2025 22 JUL | £1,200,000 | £999,614 | 20% above HPI |
20B OLD DOWNS might now be worth an estimated £1,225,325.
This is based on house price inflation of 2.1%, between July 2025 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 2.1% inflationary increase is applied to the most recent sale price for 20B OLD DOWNS of £1,200,000 on 22nd July 2025. For the value to have increased from £1,200,000 to £1,225,325 over the one year and three months to April 2026, the following assumptions must hold true:
20B OLD DOWNS is located in HARTLEY, in the DA3 postcode district.
Most recent sales first: