1 Avon Square, Hemel Hempstead, HP2 6DZ

1 Avon Square is a three-bedroom end-of-terrace house in Hemel Hempstead (HP2 6DZ). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (September 2013) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since March 2009. Between certificates, lighting went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 77). The latest certificate is from September 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory. Period features are noted in the property record.

Held since May 2001 — that's 25 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £348,000 sits 263.6% above the 2001 sale of £95,700. On a £-per-square-foot basis, the last sale (£98/sq ft) was about 50.8% below the postcode norm.