1 Bythebrook, Chippenham, SN14 6QD

1 Bythebrook is a four-bedroom detached house in Chippenham (SN14 6QD). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (April 2013) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2010. Between certificates, roof efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from April 2013, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.

Across 1997–2013, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £447,000 sits 78.8% above the 2013 sale of £250,000. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 59% above the typical sold price in the postcode. One planning record on file: an extension approved in 2006. Past consents include an extension, meaningful when judging how the property has evolved. On the market in December 2013 and unlisted since — roughly 12 years.