12 Blair Close, Hemel Hempstead, HP2 7QJ

12 Blair Close is a two-bedroom end-of-terrace house in Hemel Hempstead (HP2 7QJ). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (August 2014) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (May 2013); the latest reading is one band lower. Between certificates, wall efficiency dropped from Average to Poor and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity. The latest certificate is from August 2014, so improvements made since then won't be reflected. At 47 m² this is the 15th 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 across 29 units on file.

Across 2000–2014, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £184,000 sits 60.7% above the 2014 sale of £114,500. On a £-per-square-foot basis, the last sale (£226/sq ft) was about 16.9% above the typical sold price in the postcode. Last changed hands 12 years ago, in February 2014.