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.
20 UNION STREET is a small extended terraced house of 89m², built sometime between 1900 and 1929, which could now be worth an estimated £169,081. It was last sold for £85,000 in April 2011, which was around 16% below the average April 2011 terraced price in the North Northamptonshire local authority area. The most recent EPC inspection was May 2010, where the current energy rating was E, and the potential energy rating was D.
Land registry data shows four sales for 20 UNION STREET since 1st January 1995. The below table shows the price paid for the four sales, along with the average terraced price in the North Northamptonshire local authority area for the corresponding sale date. All of the four 20 UNION STREET sales were for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
Date | Price | HPI Price | Variation from HPI |
---|---|---|---|
2011 20 APR | £85,000 | £101,180 | ![]() 16% below HPI |
1999 10 SEP | £36,000 | £40,803 | ![]() 12% below HPI |
1998 23 DEC | £20,000 | £36,093 | ![]() 45% below HPI |
1998 23 JUN | £14,000 | £35,989 | ![]() 61% below HPI |
The below graph shows the average terraced house price in the North Northamptonshire local authority area over time, sourced from the HPI. The four 20 UNION STREET sales between June 1998 and April 2011 have been plotted on the graph. A line has been extrapolated to show what the value of the property might have been over time, following each sale, had it maintained the same margin above or below the HPI (as a percentage). For example, the September 1999 sale was for 12% below the HPI. So the extrapolation line tracks at 12% below the HPI over time, until the April 2011 sale, where it falls to 16% below the HPI. The line then continues to track at 16% below the HPI.
20 UNION STREET might now be worth an estimated £169,081.
This is based on house price inflation of 98.9%, between April 2011 and June 2025, for terraced houses, in the North Northamptonshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 98.9% inflationary increase is applied to the most recent sale price for 20 UNION STREET of £85,000 on 20th April 2011. For the value to have increased from £85,000 to £169,081 over the thirteen years and ten months to June 2025, the following assumptions must hold true:
20 UNION STREET is 89m², which includes one extension, according to the EPC inspection conducted in May 2010. This puts it in the smallest 30% of terraced houses houses in Kettering, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Kettering, and where 20 UNION STREET lies on this distribution: 23% of terraced houses houses are smaller than 20 UNION STREET, and 77% of houses are larger. Note that EPC data is not available for all properties in Kettering.
20 UNION STREET sits on a plot of roughly 0.021 of an acre, or 86m². The below map shows the location of 20 UNION STREET, an approximate outline of the building(s), and the indicative extent of the property. The plot extent is a Land Registry INSPIRE Index Polygon, and it is important to note that a title may include more than one polygon, whereas only one polygon is shown on the map (the polygon which intersects with the position of 20 UNION STREET). The full extent of the land contained in any registered title can only be identified from the individual title plan. The maps on this page should not be relied upon to establish the extent of a title.
20 UNION STREET is located in KETTERING, in the NN16 postcode district. The below map shows the position of No. 20 on UNION STREET.
Most recent sales first: