Dilwyn Court, Flat 12, Abercromby Avenue, High Wycombe, HP12 3BH

Dilwyn Court is a one-bedroom mid-terrace house in High Wycombe (HP12 3BH). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1976-1982 and council tax band B. At 38 m² this is the 11th smallest of 20 units on EPC record in Dilwyn Court, where floor areas span 34–54 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (50 versus a best of 77). Our model identifies extension potential, subject to local planning policy. The latest certificate (June 2025) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2014); the latest reading is one band lower. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on electricity.

It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Across 2000–2015, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £160,000 is 27% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£308/sq ft) was about 28.1% above the typical sold price in the postcode. 11 years since the last transfer (April 2015).