128 Heathfield Road, Keston, BR2 6BF

128 Heathfield Road is a four-bedroom semi-detached house in Keston (BR2 6BF). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1976-1982 and council tax band H. At 30 m² this is the smallest unit on EPC record across the building (30–447 m²). The building's EPC ratings span E to B across 17 units on file. The latest certificate (March 2015) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2015. Between certificates, wall efficiency went from Poor to Average and lighting went from Poor to Average. The recommended improvements would push it to C (score 76). The latest certificate is from March 2015, so improvements made since then won't be reflected.

At 30 m² it sits well below the postcode median (83 m² across 16 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Across 1997–2017, sale prices on this property compounded at 8.1% per year. On a £-per-square-foot basis, the last sale (£5,574/sq ft) was about 1858.4% above the typical sold price in the postcode. On the market in November 2017 and unlisted since — roughly 9 years.