Flat 3, 10 Bull Lane, High Wycombe, HP11 2DL

Flat 3 is a semi-detached house in High Wycombe (HP11 2DL). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1967-1975 and council tax band A. At 38 m² this is the smallest unit on EPC record across the building (38–84 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (45 versus a best of 63). The latest certificate (June 2021) shows an E (score 45), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2011. Between certificates, roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.

At 38 m² it sits well below the postcode median (57 m² across 11 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2011–2021, sale prices on this property compounded at 7.1% per year. On a £-per-square-foot basis, the last sale (£416/sq ft) was about 121.1% above the typical sold price in the postcode. Last sale on file: £170,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.