1 Birinus Close, High Wycombe, HP12 3LZ

1 Birinus Close is a two-bedroom semi-detached house in High Wycombe (HP12 3LZ). It has a recorded floor area of 53 m² (around 571 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (October 2009) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since September 2009. Between certificates, hot-water efficiency went from Very Poor to Poor. Main heating runs on electricity. The latest certificate is from October 2009, so improvements made since then won't be reflected. At 53 m² this is the 5th smallest of 21 units on EPC record in the building, where floor areas span 43–58 m². The building's EPC ratings span E to C across 21 units on file. The home occupies a cul-de-sac position.

Held since April 1995 — that's 31 years off the open market, well above the local norm. 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 £203,000 sits 314.3% above the 1995 sale of £49,000. On a £-per-square-foot basis, the last sale (£86/sq ft) was about 60.9% below the postcode norm.