9 Britannia Close, Northolt, UB5 6JY

9 Britannia Close is a two-bedroom mid-terrace house in Northolt (UB5 6JY). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (August 2016) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since March 2013. Between certificates, main heating went from Poor to Average; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. Main heating runs on electricity. At 53 m² this is the 12th smallest of 54 units on EPC record in the building, where floor areas span 30–124 m². The building's EPC ratings span E to B across 54 units on file.

Held since March 2006 — that's 20 years off the open market, well above the local norm. Across 1998–2006, sale prices on this property compounded at 15.7% per year. Today's modelled estimate of £238,000 sits 53.5% above the 2006 sale of £155,000. At 53 m² it sits well below the postcode median (82 m² across 53 EPCs), making it one of the more compact homes locally.