11 Arranmore House, Laurel Drive, High Wycombe, HP11 1JD

11 Arranmore House is a two-bedroom semi-detached house in High Wycombe (HP11 1JD). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1967-1975 and council tax band C. At 52 m² this is the largest unit on EPC record across the building (46–52 m²). The building's EPC ratings span E to C, with this unit at the bottom. Our model identifies extension potential, subject to local planning policy. The latest certificate (March 2019) shows an E (score 54), well below the UK norm with real room to improve. When first surveyed in January 2014 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and hot-water efficiency went from Very Poor to Average. The recommended improvements would push it to D (score 65). Main heating runs on electricity.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. It changed hands recently, sold January 2025 for £218,000. Across 1995–2025, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £248,000 is 13.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£389/sq ft) was about 51.2% above the typical sold price in the postcode.