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

21 Chapman Lane is a three-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AZ). It has a recorded floor area of 173 m² (around 1862 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (June 2016) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from June 2016, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.

It hasn't traded since September 2004, a hold of 22 years that's notably long for the area. Today's modelled estimate of £868,000 sits 99.5% above the 2004 sale of £435,000. On a £-per-square-foot basis, the last sale (£234/sq ft) was about 24.6% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 173 m² it's 24.7% larger than the typical home in the postcode (139 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs).