5 Chamberlayne Avenue, Wembley, HA9 8SR

5 Chamberlayne Avenue is a one-bedroom mid-terrace house in Wembley (HA9 8SR). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (August 2020) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (January 2010); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good and main heating went from Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 70). Main heating runs on electricity. At 55 m² this is the 11th smallest of 46 units on EPC record in the building, where floor areas span 42–527 m². The building's EPC ratings span F to B across 46 units on file.

Held since February 2003 — that's 23 years off the open market, well above the local norm. Across 1999–2003, sale prices on this property compounded at 10.4% per year. Today's modelled estimate of £293,000 sits 85.4% above the 2003 sale of £158,000. At 55 m² it's 26.7% smaller than the typical home in the postcode (75 m² median across 45 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs).