Flat 3, 27 Bargate, Grimsby, DN34 4SS

Flat 3 is an end-of-terrace house in Grimsby (DN34 4SS). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1900-1929 and council tax band B. At 52 m² this is the smallest unit on EPC record across the building (52–98 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 63). The latest certificate (December 2016) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 64).

Untraded for 18 years, with the last transfer in April 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 52 m² it's 16.1% smaller than the typical home in the postcode (62 m² median across 31 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). On a £-per-square-foot basis, the last sale (£213/sq ft) was about 97.8% above the typical sold price in the postcode.