11 Chamberlayne Avenue, Wembley, HA9 8SR

11 Chamberlayne Avenue is a two-bedroom semi-detached house in Wembley (HA9 8SR). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (September 2022) shows a C (score 69), just inside the C band. When first surveyed in August 2012 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Poor to Very Good and main heating went from Very Poor to Average. Main heating runs on electricity. At 60 m² this is the 14th 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.

Untraded for 19 years, with the last transfer in May 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1999–2007, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £339,000 sits 52.4% above the 2007 sale of £222,500. On a £-per-square-foot basis, the last sale (£345/sq ft) was about 34.4% above the typical sold price in the postcode. At 60 m² it's 20% smaller than the typical home in the postcode (75 m² median across 45 EPCs).