Strathyre, Booker Common, High Wycombe, HP12 4QS

Strathyre is a four-bedroom detached house in High Wycombe (HP12 4QS). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (February 2015) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since May 2011. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Average to Poor and main heating dropped from Good to Average. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.

Across 1998–2012, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £566,000 sits 59.4% above the 2012 sale of £355,000. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 46.1% below the postcode norm. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. On the market in September 2012 and unlisted since — roughly 14 years. At 127 m² it's 18.1% smaller than the typical home in the postcode (155 m² median across 11 EPCs).