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.
1 UPPER TAIL is a midsized extended detached house of 143m², built sometime between 1976 and 1982, which could now be worth an estimated £562,734. It was last sold for £110,000 in July 1997, which was around 52% below the average July 1997 detached price in the Three Rivers local authority area. The most recent EPC inspection was February 2025, where the current energy rating was C, and the potential energy rating was B.
Land registry data shows one sale for 1 UPPER TAIL since 1st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the Three Rivers 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 |
|---|---|---|---|
1997 31 JUL | £110,000 | £228,224 | 52% below HPI |
1 UPPER TAIL might now be worth an estimated £562,734.
This is based on house price inflation of 411.6%, between July 1997 and May 2026, for detached houses, in the Three Rivers local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 411.6% inflationary increase is applied to the most recent sale price for 1 UPPER TAIL of £110,000 on 31st July 1997. For the value to have increased from £110,000 to £562,734 over the 29 years and two months to May 2026, the following assumptions must hold true:
1 UPPER TAIL is 143m², which includes one extension, according to the EPC inspection conducted in February 2025. This puts it in the largest 50% of detached houses in Watford, based on EPC data. The below chart shows the distribution of detached houses by size in Watford, and where 1 UPPER TAIL lies on this distribution: 54% of detached houses are smaller than 1 UPPER TAIL, and 45% of detached houses are larger. Note that EPC data is not available for all properties in Watford.

1 UPPER TAIL sits on a plot of roughly 0.093 of an acre, or 377m².
1 UPPER TAIL is located in WATFORD, in the WD19 postcode district.
Most recent sales first: