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.
DALLENWILL is a midsized extended detached house of 151m², built sometime between 1950 and 1966, which could now be worth an estimated £797,102. It was last sold for £499,995 in August 2014, which was around 21% below the average August 2014 detached price in the Sevenoaks local authority area. The most recent EPC inspection was May 2014, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for DALLENWILL 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 |
|---|---|---|---|
2014 29 AUG | £499,995 | £635,063 | 21% below HPI |
DALLENWILL might now be worth an estimated £797,102.
This is based on house price inflation of 59.4%, between August 2014 and July 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 59.4% inflationary increase is applied to the most recent sale price for DALLENWILL of £499,995 on 29th August 2014. For the value to have increased from £499,995 to £797,102 over the twelve years and one month to July 2026, the following assumptions must hold true:
DALLENWILL is 151m², which includes one extension, according to the EPC inspection conducted in May 2014. This puts it in the largest 50% of detached houses in Hartley, based on EPC data. The below chart shows the distribution of detached houses by size in Hartley, and where DALLENWILL lies on this distribution: 57% of detached houses are smaller than DALLENWILL, and 43% of detached houses are larger. Note that EPC data is not available for all properties in Hartley.

DALLENWILL sits on a plot of roughly 0.230 of an acre, or 931m².
DALLENWILL is located on GRESHAM AVENUE in HARTLEY, in the DA3 postcode district.
Most recent sales first: