10 Cadogan Close, Beckenham, BR3 5XY

10 Cadogan Close is a one-bedroom semi-detached house in Beckenham (BR3 5XY). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1967-1975 and council tax band C. At 48 m² this is the 8th smallest of 34 units on EPC record in the building, where floor areas span 30–114 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (September 2023) shows a C (score 77), near the top of the C band. When first surveyed in August 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Good and main heating went from Poor to Good.

Held since June 1997 — that's 29 years off the open market, well above the local norm. Across 1996–1997, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £259,000 sits 402.9% above the 1997 sale of £51,500. On a £-per-square-foot basis, the last sale (£100/sq ft) was about 54.5% below the postcode norm. At 48 m² it's 28.4% smaller than the typical home in the postcode (67 m² median across 33 EPCs). Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).