7 King William Street, Swindon, SN1 3LB

7 King William Street is a two-bedroom end-of-terrace house in Swindon (SN1 3LB). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2020) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in August 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 86), a 2-band jump.

It hasn't traded since October 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. 5 planning records sit against the property, 2 approved, 3 refused. Past consents include partial demolition, meaningful when judging how the property has evolved. Across 2005–2007, sale prices on this property compounded at 12.7% per year. Today's modelled estimate of £223,000 is 32% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£209/sq ft) was about 67.1% above the typical sold price in the postcode.