109 Windmill Road, Hemel Hempstead, HP2 4BP

109 Windmill Road is a three-bedroom mid-terrace house in Hemel Hempstead (HP2 4BP). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (October 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, roof efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.

At 103 m² the property is well over the postcode median (63 m² across 15 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 2002–2011, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £393,000 sits 95.5% above the 2011 sale of £201,000. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 21.4% below the postcode norm. On the market in October 2011 and unlisted since — roughly 15 years. One planning record on file: an extension refused in 2011.