1b, Derwent Drive, Humberston, Grimsby, DN36 4BB

1b is a two-bedroom semi-detached house in Humberston, Grimsby, Grimsby (DN36 4BB). It has a recorded floor area of 87 m² (around 938 sq ft), construction records dating it to 1976-1982 and council tax band A. At 87 m² this is the 19th smallest of 26 units on EPC record in the building, where floor areas span 24–123 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (June 2011) shows a C (score 70). The latest certificate is from June 2011, so improvements made since then won't be reflected.

It hasn't traded since September 2005, a hold of 21 years that's notably long for the area. At 87 m² it's 17.8% larger than the typical home in the postcode (74 m² median across 25 EPCs). Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Today's modelled estimate of £117,000 is 23.2% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£101/sq ft) was about 43.6% below the postcode norm.