20 Glendale Mews, Beckenham, BR3 5TY

20 Glendale Mews is a semi-detached house in Beckenham (BR3 5TY). It has a recorded floor area of 98 m² (around 1057 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (April 2010) shows an E (score 44), well below the UK norm with real room to improve. When first surveyed in February 2009 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Poor to Very Good and lighting went from Very Poor to Good; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to D (score 60). Main heating runs on electricity. The latest certificate is from April 2010, so improvements made since then won't be reflected.

Held since August 2010 — that's 16 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2009–2010, sale prices on this property compounded at 21.1% per year. Today's modelled estimate of £576,000 sits 80% above the 2010 sale of £320,000. On a £-per-square-foot basis, the last sale (£303/sq ft) was about 20.2% below the postcode norm. One historical planning record sits against the property in 2010.