11a, Hillside, Sawston, Cambridge, CB22 3BL

11a is a three-bedroom detached house in Sawston, Cambridge, Cambridge (CB22 3BL). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (May 2017) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in March 2010 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good. The recommended improvements would lift it to C (score 76), a 2-band jump.

9 years since the last transfer (August 2017). Across the public record there are 5 sales, relatively high churn for a single property. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1998–2017, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £533,000 is 17.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£388/sq ft) was about 89.3% above the typical sold price in the postcode. At 109 m² it's 16.5% smaller than the typical home in the postcode (131 m² median across 22 EPCs).