12 Cromwell Close, St Albans, AL4 9YE

12 Cromwell Close is a four-bedroom detached house in St Albans (AL4 9YE). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (May 2015) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since June 2009. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and lighting went from Very Poor to Average; while wall efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. The latest certificate is from May 2015, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.

At 128 m² it's 15.3% larger than the typical home in the postcode (111 m² median across 5 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: April 2023 at £890,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2023, sale prices on this property compounded at 5.7% per year. On a £-per-square-foot basis, the last sale (£646/sq ft) was about 57.4% above the typical sold price in the postcode.