Gloucester House, Apartment 3, North Parade, Frome, BA11 1AU

Gloucester House is a two-bedroom detached house in Frome (BA11 1AU). It has a recorded floor area of 42 m² (around 448 sq ft), construction records dating it to before 1900 and council tax band B. At 42 m² this is the smallest unit on EPC record across Gloucester House (42–56 m²). The building's EPC ratings span E to B, with this unit at the top. On EPC score it ranks first in the building (81 versus a worst of 48). The latest certificate (September 2009) returns a B (score 81), comfortably above the UK average. Main heating runs on electricity. The latest certificate is from September 2009, so improvements made since then won't be reflected.

Held since August 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 42 m² it's 16.8% smaller than the typical home in the postcode (50 m² median across 18 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £172,000 is 37.6% above the 2008 sale price.