Dilwyn Court, Flat 19, Abercromby Avenue, High Wycombe, HP12 3BH

Dilwyn Court is a one-bedroom semi-detached house in High Wycombe (HP12 3BH). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1991-1995 and council tax band B. At 54 m² this is the largest unit on EPC record across Dilwyn Court (34–54 m²). The building's EPC ratings span E to C across 20 units on file. The latest certificate (November 2009) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2009. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 71). Main heating runs on electricity. The latest certificate is from November 2009, so improvements made since then won't be reflected.

At 54 m² the property is well over the postcode median (37 m² across 19 EPCs), placing it in the larger end of the local stock. Across 1997–2017, sale prices on this property compounded at 8.1% per year. On a £-per-square-foot basis, the last sale (£318/sq ft) was about 30.3% above the typical sold price in the postcode. On the market in September 2017 and unlisted since — roughly 9 years.