3 Coldeaton Lane, Emerson Valley, Milton Keynes, MK4 2HE

3 Coldeaton Lane is a two-bedroom semi-detached house in Emerson Valley, Milton Keynes, Milton Keynes (MK4 2HE). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1991-1995 and council tax band B. At 47 m² this is the smallest unit on EPC record across the building (47–144 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (September 2019) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (October 2018); the latest reading is 2 bands lower. Between certificates, main heating went from Very Poor to Average; while wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.

Untraded for 26 years, with the last transfer in September 2000. Across 1997–2000, sale prices on this property compounded at 14.3% per year. Today's modelled estimate of £152,000 sits 743.3% above the 2000 sale of £18,025. On a £-per-square-foot basis, the last sale (£36/sq ft) was about 68.1% below the postcode norm. At 47 m² it sits well below the postcode median (81 m² across 15 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs).