23 Groombridge Close, Welling, DA16 2BP

23 Groombridge Close is a two-bedroom mid-terrace house in Welling (DA16 2BP). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (December 2013) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2011. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Very Good and window efficiency went from Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 87), a 2-band jump. The latest certificate is from December 2013, so improvements made since then won't be reflected.

Across 2011–2012, sale prices on this property compounded at 19.4% per year. Today's modelled estimate of £341,000 sits 87.4% above the 2012 sale of £182,000. On a £-per-square-foot basis, the last sale (£277/sq ft) was about 16.2% above the typical sold price in the postcode. 14 years since the last transfer (November 2012). At 61 m² it's 23.8% smaller than the typical home in the postcode (80 m² median across 28 EPCs).