Flat 6, 305 Chiswick High Road, Hounslow, London, W4 4HH

Flat 6 is a one-bedroom mid-terrace house in Hounslow, London, London (W4 4HH). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1967-1975. At 43 m² this is the smallest unit on EPC record across the building (43–75 m²). The building's EPC ratings span E to C, with this unit at the bottom. Period features are noted in the property record. The latest certificate (August 2023) shows an E (score 47), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2013); the latest reading is one band lower. Between certificates, hot-water efficiency went from Very Poor to Poor; while wall efficiency dropped from Very Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on electricity.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 18 planning records sit against the property, 11 approved, 3 refused. Past consents include an extension, subdivision and change of use to residential, meaningful when judging how the property has evolved. Today's modelled estimate of £358,000 is 13.7% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£681/sq ft) was about 25.1% above the typical sold price in the postcode. Last changed hands 13 years ago, in July 2013.