9 Hawthorn Avenue, Sawston, Cambridge, CB22 3TE

9 Hawthorn Avenue is a four-bedroom detached house in Sawston, Cambridge, Cambridge (CB22 3TE). It has a recorded floor area of 161 m² (around 1728 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (May 2009) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 63). The latest certificate is from May 2009, so improvements made since then won't be reflected.

Held since August 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 161 m² it's 23.9% larger than the typical home in the postcode (130 m² median across 4 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £612,000 sits 88.3% above the 2009 sale of £325,000. On a £-per-square-foot basis, the last sale (£188/sq ft) was about 28.5% below the postcode norm.