21 Great Ground Walk, Northampton, NN4 5BB

21 Great Ground Walk is a four-bedroom detached house in Northampton (NN4 5BB). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (February 2026) shows a C (score 70). When first surveyed in October 2013 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Good and lighting went from Average to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory. The home occupies a corner plot.

At 118 m² the property is well over the postcode median (80 m² across 13 EPCs), placing it in the larger end of the local stock. One planning record on file: a garage conversion approved in 2009. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 2001–2016, sale prices on this property compounded at 5.3% per year. Today's modelled estimate of £402,000 is 24.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 51.7% above the typical sold price in the postcode. Last changed hands 10 years ago, in June 2016.