17a, Collingbourne Road, Hammersmith And Fulham, London, W12 0JG

17a is a three-bedroom mid-terrace house in Hammersmith And Fulham, London, London (W12 0JG). It has a recorded floor area of 74 m² (around 797 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2012) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2009); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Poor. The recommended improvements would push it to D (score 59). The latest certificate is from February 2012, so improvements made since then won't be reflected. Other recorded features include a balcony.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2009. Past consents include an extension, meaningful when judging how the property has evolved. Across 2007–2012, sale prices on this property compounded at 9% per year. Today's modelled estimate of £673,000 is 17% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£722/sq ft) was about 100.8% above the typical sold price in the postcode. Last sold in March 2012, so it's been off the market for around 14 years.