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

16 Rumptons Paddock is a five-bedroom detached house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0SN). It has a recorded floor area of 209 m² (around 2250 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (March 2015) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since August 2013. Between certificates, window efficiency went from Average to Good, lighting went from Average to Good and main heating went from Average to Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. Main heating runs on electricity. The latest certificate is from March 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory.

It hasn't traded since March 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 209 m² the property is well over the postcode median (138 m² across 15 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1999–2008, sale prices on this property compounded at 11.3% per year. Today's modelled estimate of £702,000 is 26.5% above the 2008 sale price.