12 Coalmans Way, Burnham, Slough, SL1 7NU

12 Coalmans Way is a two-bedroom semi-detached house in Burnham, Slough, Slough (SL1 7NU). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1967-1975 and council tax band C. At 52 m² this is the 7th smallest of 23 units on EPC record in the building, where floor areas span 42–64 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (42 versus a best of 81). The latest certificate (December 2021) shows an E (score 42), well below the UK norm with real room to improve. Earlier certificates rated it C (November 2008); the latest reading is 2 bands lower. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Average to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity.

Untraded for 17 years, with the last transfer in April 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1999–2009, sale prices on this property compounded at 0.8% per year. Today's modelled estimate of £226,000 sits 105.5% above the 2009 sale of £110,000. On a £-per-square-foot basis, the last sale (£197/sq ft) was about 16.9% below the postcode norm.