21 Ashby Court, Hemel Hempstead, HP2 7QL

21 Ashby Court is a one-bedroom semi-detached house in Hemel Hempstead (HP2 7QL). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (August 2015) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2009); the latest reading is one band lower. Between certificates, main heating went from Poor to Average; while wall efficiency dropped from Good to Poor and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity. The latest certificate is from August 2015, so improvements made since then won't be reflected. At 52 m² this is the 23rd smallest of 35 units on EPC record in the building, where floor areas span 38–72 m². The building's EPC ratings span F to C across 35 units on file.

Untraded for 17 years, with the last transfer in August 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1999–2009, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £163,000 sits 100% above the 2009 sale of £81,500. On a £-per-square-foot basis, the last sale (£146/sq ft) was about 25.6% below the postcode norm. One planning record on file: new windows approved in 2009. Past consents include new windows, meaningful when judging how the property has evolved. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.