11 Duchy Close, Chelveston, Wellingborough, NN9 6AW

11 Duchy Close is a three-bedroom detached house in Chelveston, Wellingborough, Wellingborough (NN9 6AW). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (July 2015) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2009. Between certificates, roof efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 78). The latest certificate is from July 2015, so improvements made since then won't be reflected.

It hasn't traded since April 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £268,000 sits 75.7% above the 2009 sale of £152,500. On a £-per-square-foot basis, the last sale (£114/sq ft) was about 37.7% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 124 m² it's 21.6% larger than the typical home in the postcode (102 m² median across 15 EPCs).