4 Chairborough Court, Chairborough Road, High Wycombe, HP12 3QQ

4 Chairborough Court is a semi-detached house in High Wycombe (HP12 3QQ). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 2012 onwards and council tax band C. At 41 m² this is the smallest unit on EPC record across the building (41–55 m²). The building's EPC ratings span C to B, with this unit at the top. On EPC score it ranks first in the building (83 versus a worst of 70). The latest certificate (May 2022) returns a B (score 83), comfortably above the UK average. When first surveyed in February 2012 the rating was C, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Good to Very Good and main heating went from Very Poor to Poor; while window efficiency dropped from Very Good to Good. Main heating runs on electricity.

Its energy rating outperforms most of the postcode (better than 78% of similar EPCs). On a £-per-square-foot basis, the last sale (£397/sq ft) was about 19.6% above the typical sold price in the postcode. Sold May 2022 for £175,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.