20 Grantham Close, Freshbrook, Swindon, SN5 8NZ

20 Grantham Close is a three-bedroom semi-detached house in Freshbrook, Swindon, Swindon (SN5 8NZ). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (July 2020) 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 February 2009. Between certificates, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 88), a 2-band jump.

It hasn't traded since January 2007, a hold of 19 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. Across 2001–2007, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £243,000 sits 76.7% above the 2007 sale of £137,500. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 28% above the typical sold price in the postcode.