11 Dorman Close, Northampton, NN3 6QG

11 Dorman Close is a two-bedroom semi-detached house in Northampton (NN3 6QG). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 2007 onwards and council tax band D. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 118 m² this is the 7th smallest of 9 units on EPC record in the building, where floor areas span 67–142 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (80 versus a worst of 68). The latest certificate (February 2014) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (October 2008); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81). The latest certificate is from February 2014, so improvements made since then won't be reflected.

Across 2007–2020, sale prices on this property compounded at -6.3% per year. Today's modelled estimate of £170,000 sits 151.9% above the 2020 sale of £67,500. On a £-per-square-foot basis, the last sale (£53/sq ft) was about 76.8% below the postcode norm. At 118 m² it's 22.3% larger than the typical home in the postcode (97 m² median across 8 EPCs). Most recent transfer: November 2020 at £67,500.