7 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ

7 Chapman Lane is a three-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AZ). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2016) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2016); the latest reading is one band lower. Between certificates, lighting went from Poor to Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected.

It hasn't traded since August 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £532,000 sits 406.7% above the 1997 sale of £105,000. On a £-per-square-foot basis, the last sale (£95/sq ft) was about 69.4% below the postcode norm. At 103 m² it's 26.4% smaller than the typical home in the postcode (140 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs).