4 The Green, Brill, Aylesbury, HP18 9RU

4 The Green is a detached house in Brill, Aylesbury, Aylesbury (HP18 9RU). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (March 2018) shows an E (score 46), well below the UK norm with real room to improve. When first surveyed in July 2009 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Good to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on oil.

Untraded for 17 years, with the last transfer in November 2009. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1999–2009, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £619,000 sits 59.7% above the 2009 sale of £387,500. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 147 m² it's 24.1% larger than the typical home in the postcode (119 m² median across 18 EPCs).