236a, Northolt Road, Harrow, HA2 8DU

236a is a one-bedroom detached house in Harrow (HA2 8DU). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (November 2021) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2019. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 49 m² this is the 7th smallest of 23 units on EPC record in the building, where floor areas span 45–107 m². The building's EPC ratings span F to C across 23 units on file. Other recorded features include a self-contained annexe.

Untraded for 27 years, with the last transfer in July 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £265,000 sits 165% above the 1999 sale of £100,000. On a £-per-square-foot basis, the last sale (£190/sq ft) was about 32.4% below the postcode norm. At 49 m² it's 16.9% smaller than the typical home in the postcode (59 m² median across 22 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). One historical planning record sits against the property in 2006.