11 Arnold Avenue, Gonerby Hill Foot, Grantham, NG31 8HN

11 Arnold Avenue is a three-bedroom semi-detached house in Gonerby Hill Foot, Grantham, Grantham (NG31 8HN). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (November 2025) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, wall efficiency went from Poor to Good and lighting went from Very Poor to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75).

Untraded for 16 years, with the last transfer in December 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 108 m² the property is well over the postcode median (80 m² across 18 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £235,000 sits 104.3% above the 2009 sale of £115,000. On a £-per-square-foot basis, the last sale (£99/sq ft) was about 27.5% below the postcode norm.