4b, Grendon Road, Edgcott, Aylesbury, HP18 0TN

4b is a four-bedroom detached house in Edgcott, Aylesbury, Aylesbury (HP18 0TN). It has a recorded floor area of 105 m² (around 1127 sq ft), construction records dating it to 2007 onwards and council tax band E. The latest certificate (June 2009) shows a C (score 69), just inside the C band. When first surveyed in April 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Good to Very Good, window efficiency went from Good to Very Good and lighting went from Average to Good; while roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Average to Poor. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from June 2009, so improvements made since then won't be reflected.

It hasn't traded since February 2010, a hold of 16 years that's notably long for the area. At 105 m² it's 27.8% smaller than the typical home in the postcode (145 m² median across 13 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £427,000 is 43.5% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 19.9% above the typical sold price in the postcode.