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.
40 OLD DEAN is a very small semi-detached house of 68m², built sometime between 1930 and 1949, which could now be worth an estimated £319,852. It was last sold for £230,000 in October 2015, which was around 42% below the average October 2015 semi-detached price in the Dacorum local authority area. The most recent EPC inspection was November 2025, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for 40 OLD DEAN since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Dacorum 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 |
|---|---|---|---|
2015 23 OCT | £230,000 | £395,182 | 42% below HPI |
40 OLD DEAN might now be worth an estimated £319,852.
This is based on house price inflation of 39.1%, between October 2015 and May 2026, for semi-detached houses, in the Dacorum local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 39.1% inflationary increase is applied to the most recent sale price for 40 OLD DEAN of £230,000 on 23rd October 2015. For the value to have increased from £230,000 to £319,852 over the eleven years and five months to May 2026, the following assumptions must hold true:
40 OLD DEAN is 68m² according to the EPC inspection conducted in November 2025. This puts it in the smallest 10% of semi-detached houses in Bovingdon, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Bovingdon, and where 40 OLD DEAN lies on this distribution: 6% of semi-detached houses are smaller than 40 OLD DEAN, and 93% of semi-detached houses are larger. Note that EPC data is not available for all properties in Bovingdon.

40 OLD DEAN sits on a plot of roughly 13.7 acres, or 55,391m².
40 OLD DEAN is located in BOVINGDON, in the HP3 postcode district.
Most recent sales first: