4 Rumptons Paddock, Grendon Underwood, Aylesbury, HP18 0SN

4 Rumptons Paddock is a four-bedroom detached house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0SN). It has a recorded floor area of 162 m² (around 1744 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (November 2025) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2010); the latest reading is one band lower. Between certificates, lighting went from Poor to Good. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on oil. This certificate was lodged in the last six months, so the rating reflects current condition.

Untraded for 29 years, with the last transfer in June 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £575,000 sits 332.3% above the 1997 sale of £133,000. On a £-per-square-foot basis, the last sale (£76/sq ft) was about 68% below the postcode norm. One planning record on file: an extension approved in 2004. Past consents include an extension, meaningful when judging how the property has evolved. At 162 m² it's 17.4% larger than the typical home in the postcode (138 m² median across 15 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs).