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.
5 MILL STREET is a very small detached house of 55m², which could now be worth an estimated £396,978. It was last sold for £207,100 in July 2009, which was around 16% below the average July 2009 detached price in the West Northamptonshire local authority area. The most recent EPC inspection was March 2009, where the current energy rating was B, and the potential energy rating was B.
Land registry data shows one sale for 5 MILL STREET since 1st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the West Northamptonshire 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 |
|---|---|---|---|
2009 31 JUL | £207,100 | £247,158 | 16% below HPI |
5 MILL STREET might now be worth an estimated £396,978.
This is based on house price inflation of 91.7%, between July 2009 and May 2026, for detached houses, in the West Northamptonshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 91.7% inflationary increase is applied to the most recent sale price for 5 MILL STREET of £207,100 on 31st July 2009. For the value to have increased from £207,100 to £396,978 over the seventeen years and two months to May 2026, the following assumptions must hold true:
5 MILL STREET is 55m² according to the EPC inspection conducted in March 2009. This puts it in the smallest 10% of detached houses in Northampton, based on EPC data. The below chart shows the distribution of detached houses by size in Northampton, and where 5 MILL STREET lies on this distribution: 1% of detached houses are smaller than 5 MILL STREET, and 98% of detached houses are larger. Note that EPC data is not available for all properties in Northampton.

5 MILL STREET sits on a plot of roughly 0.084 of an acre, or 340m².
5 MILL STREET is located in UPTON, in the NN5 postcode district.
Most recent sales first: