7 Cumberland Close, Aylesbury, HP21 7HH

7 Cumberland Close is a detached house in Aylesbury (HP21 7HH). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (March 2015) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. The latest certificate is from March 2015, so improvements made since then won't be reflected.

Untraded for 17 years, with the last transfer in November 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. 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 2017. Past consents include an extension, meaningful when judging how the property has evolved. Across 2005–2009, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £564,000 is 38.2% above the 2009 sale price.