3 Edgecumbe Court, Laleham Road, Staines Upon Thames, TW18 2ER

3 Edgecumbe Court is a detached house in Staines Upon Thames (TW18 2ER). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1967-1975 and council tax band C. At 65 m² this is the 8th smallest of 11 units on EPC record in the building, where floor areas span 44–84 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 78). The latest certificate (January 2009) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from January 2009, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2005–2016, sale prices on this property compounded at 4.8% per year. On a £-per-square-foot basis, the last sale (£429/sq ft) was about 75.3% above the typical sold price in the postcode. On the market in March 2016 and unlisted since — roughly 10 years.