Flat A, 111 Lower Addiscombe Road, Croydon, CR0 6PU

Flat A is an end-of-terrace house in Croydon (CR0 6PU). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2018) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in September 2009 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity.

Held since March 2011 — that's 15 years off the open market, well above the local norm. Across 1999–2011, sale prices on this property compounded at 17.2% per year. On a £-per-square-foot basis, the last sale (£1,038/sq ft) was about 186.1% above the typical sold price in the postcode. At 40 m² it's 16.7% smaller than the typical home in the postcode (48 m² median across 35 EPCs).