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 WESTFIELDS is a large extended semi-detached house of 141m², built sometime between 1950 and 1966, which could now be worth an estimated £686,887. It was last sold for £412,000 in September 2013, which was around 8% below the average September 2013 semi-detached price in the St Albans local authority area. The most recent EPC inspection was September 2014, where the current energy rating was C, and the potential energy rating was B.
Land registry data shows one sale for 40 WESTFIELDS since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the St Albans 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 |
|---|---|---|---|
2013 18 SEP | £412,000 | £448,405 | 8% below HPI |
40 WESTFIELDS might now be worth an estimated £686,887.
This is based on house price inflation of 66.7%, between September 2013 and April 2026, for semi-detached houses, in the St Albans local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 66.7% inflationary increase is applied to the most recent sale price for 40 WESTFIELDS of £412,000 on 18th September 2013. For the value to have increased from £412,000 to £686,887 over the thirteen years and five months to April 2026, the following assumptions must hold true:
40 WESTFIELDS is 141m², which includes two extensions, according to the EPC inspection conducted in September 2014. This puts it in the largest 20% of semi-detached houses in St Albans, based on EPC data. The below chart shows the distribution of semi-detached houses by size in St Albans, and where 40 WESTFIELDS lies on this distribution: 80% of semi-detached houses are smaller than 40 WESTFIELDS, and 20% of semi-detached houses are larger. Note that EPC data is not available for all properties in St Albans.

40 WESTFIELDS sits on a plot of roughly 0.091 of an acre, or 370m².
40 WESTFIELDS is located in ST ALBANS, in the AL3 postcode district.
Most recent sales first: