23 Birinus Close, High Wycombe, HP12 3LZ

23 Birinus Close is a two-bedroom semi-detached house in High Wycombe (HP12 3LZ). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1983-1990 and council tax band C. At 55 m² this is the 10th 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, with this unit at the bottom. The home occupies a cul-de-sac position. The latest certificate (May 2026) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Average and lighting went from Very Poor to Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1996–2017, sale prices on this property compounded at 7.7% per year. On a £-per-square-foot basis, the last sale (£405/sq ft) was about 84.6% above the typical sold price in the postcode. Last changed hands 9 years ago, in August 2017.