Britton House, Flat 2, Tideys Mill, Partridge Green, Horsham, RH13 8WA

Britton House is a one-bedroom detached house in Partridge Green, Horsham, Horsham (RH13 8WA). It has a recorded floor area of 49 m² (around 530 sq ft), construction records dating it to 1983-1990 and council tax band B. Tenure is freehold. At 49 m² this is the largest unit on EPC record across Britton House (34–49 m²). The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (28 versus a best of 72). The latest certificate (October 2010) shows an F (score 28), near the bottom of the EPC scale. Earlier certificates rated it D (July 2010); the latest reading is 2 bands lower. Between certificates, hot-water efficiency went from Very Poor to Very Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to D (score 57), a 2-band jump. Main heating runs on electricity. The latest certificate is from October 2010, so improvements made since then won't be reflected.

Untraded for 15 years, with the last transfer in May 2011. At 49 m² it's 23% larger than the typical home in the postcode (40 m² median across 13 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £138,000 is 16.9% above the 2011 sale price.