25 Burns Drive, Hemel Hempstead, HP2 7NP

25 Burns Drive is a semi-detached house in Hemel Hempstead (HP2 7NP). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (July 2014) shows an E (score 41), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2011); the latest reading is one band lower. Between certificates, hot-water efficiency went from Poor to Average; while wall efficiency dropped from Average to Poor and lighting dropped from Average to Very Poor. The recommended improvements would push it to D (score 66). Main heating runs on to be used only when there is no heating/hot. The latest certificate is from July 2014, so improvements made since then won't be reflected. At 51 m² this is the 19th smallest of 30 units on EPC record in the building, where floor areas span 39–99 m². The building's EPC ratings span F to C across 30 units on file.

On the market in January 2016 and unlisted since — roughly 10 years. Across the public record there are 7 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Across 1997–2016, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £178,000 is 18.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 68.6% above the typical sold price in the postcode.