Byfield, School Close, Downley, High Wycombe, HP13 5TR

Byfield is a detached house in Downley, High Wycombe, High Wycombe (HP13 5TR). It has a recorded floor area of 99 m² (around 1062 sq ft) and construction records dating it to 1930-1949. The latest certificate (June 2009) shows an E (score 39), well below the UK norm with real room to improve. The latest certificate is from June 2009, so improvements made since then won't be reflected.

Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 99 m² it's 26.5% larger than the typical home in the postcode (78 m² median across 58 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2009, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £485,000 sits 70.2% above the 2009 sale of £285,000. On a £-per-square-foot basis, the last sale (£268/sq ft) was about 16.4% below the postcode norm. 4 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.