17 Hawkstone Close, Duston, Northampton, NN5 6RZ

17 Hawkstone Close is a five-bedroom detached house in Duston, Northampton, Northampton (NN5 6RZ). It has a recorded floor area of 143 m² (around 1539 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (September 2019) shows a C (score 76), near the top of the C band. When first surveyed in May 2009 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Average to Good. The recommended improvements would push it to B (score 81). The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Records show the property has been extended at some point in its history.

Untraded for 16 years, with the last transfer in December 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1996–2009, sale prices on this property compounded at 7.9% per year. Today's modelled estimate of £474,000 sits 89.6% above the 2009 sale of £250,000. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 22.8% above the typical sold price in the postcode. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. At 143 m² it's 22.2% larger than the typical home in the postcode (117 m² median across 20 EPCs).