Flat 1, 11 Regent Gardens, Grimsby, DN34 5AT

Flat 1 is a two-bedroom end-of-terrace house in Grimsby (DN34 5AT). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1976-1982 and council tax band A. At 55 m² this is the largest unit on EPC record across the building (52–55 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2017) shows a C (score 72). When first surveyed in October 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good and hot-water efficiency went from Good to Very Good; while window efficiency dropped from Good to Average.

Held since October 2007 — that's 19 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. Across 2003–2007, sale prices on this property compounded at 12.5% per year. Today's modelled estimate of £98,000 is 11.4% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 28% above the typical sold price in the postcode.