21 Brendon Close, Harlington, Hayes, UB3 5NG

21 Brendon Close is an end-of-terrace house in Harlington, Hayes, Hayes (UB3 5NG). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1967-1975 and council tax band B. At 43 m² this is the 22nd smallest of 35 units on EPC record in the building, where floor areas span 23–53 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (January 2015) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. The latest certificate is from January 2015, so improvements made since then won't be reflected.

Untraded for 26 years, with the last transfer in February 2000. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £192,000 sits 284% above the 2000 sale of £50,000. On a £-per-square-foot basis, the last sale (£108/sq ft) was about 52.7% below the postcode norm.