20 Claremont Grove, Hounslow, London, W4 2TL

20 Claremont Grove is a two-bedroom detached house in Hounslow, London, London (W4 2TL). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1991-1995 and council tax band C. At 48 m² this is the 12th smallest of 34 units on EPC record in the building, where floor areas span 37–94 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (44 versus a best of 84). The latest certificate (August 2021) shows an E (score 44), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2008. Between certificates, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity.

At 48 m² it sits well below the postcode median (70 m² across 33 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: new windows approved in 2015. Past consents include new windows, meaningful when judging how the property has evolved. Across 2001–2017, sale prices on this property compounded at 7.2% per year. On a £-per-square-foot basis, the last sale (£716/sq ft) was about 45.6% above the typical sold price in the postcode. Last sold in January 2017, so it's been off the market for around 9 years.