12 Winchester Close, Northampton, NN4 8BA

12 Winchester Close is a four-bedroom semi-detached house in Northampton (NN4 8BA). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (December 2020) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Other recorded features include a conservatory and a loft. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The home occupies a corner plot and a cul-de-sac position.

Across 2010–2021, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £343,000 is 14.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£268/sq ft) was about 73.1% above the typical sold price in the postcode. Most recent transfer: October 2021 at £300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2026.