Flat 6, 7 Park Road, Grendon Underwood, Aylesbury, HP18 0TD

Flat 6 is a two-bedroom mid-terrace house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0TD). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (June 2014) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Average to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80). Main heating runs on oil. The latest certificate is from June 2014, so improvements made since then won't be reflected. At 60 m² this is the 3rd smallest of 8 units on EPC record in the building, where floor areas span 52–149 m². The building's EPC ratings span G to C across 8 units on file.

Across 2005–2016, sale prices on this property compounded at -2% per year. Today's modelled estimate of £183,000 sits 74.3% above the 2016 sale of £105,000. At 60 m² it sits well below the postcode median (122 m² across 13 EPCs), making it one of the more compact homes locally. On the market in February 2016 and unlisted since — roughly 10 years.