11 Blair Close, Hemel Hempstead, HP2 7QJ

11 Blair Close is a two-bedroom end-of-terrace house in Hemel Hempstead (HP2 7QJ). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1967-1975 and council tax band B. At 49 m² this is the 19th smallest of 29 units on EPC record in the building, where floor areas span 29–89 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (January 2025) shows a C (score 71). When first surveyed in December 2008 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Very Poor to Average and hot-water efficiency went from Very Poor to Poor; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity.

Held since May 2009 — that's 17 years off the open market, well above the local norm. Across the public record there are 6 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1997–2009, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £170,000 sits 100% above the 2009 sale of £85,000. On a £-per-square-foot basis, the last sale (£161/sq ft) was about 19.7% below the postcode norm. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs).