Flat 12, 55 Bargate, Grimsby, DN34 5AD

Flat 12 is a one-bedroom end-of-terrace house in Grimsby (DN34 5AD). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1976-1982 and council tax band A. At 51 m² this is the 3rd smallest of 11 units on EPC record in the building, where floor areas span 44–78 m². The building's EPC ratings span F to C across 11 units on file. The latest certificate (March 2020) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).

Held since October 2009 — that's 17 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1999–2009, sale prices on this property compounded at 12.1% per year. Today's modelled estimate of £101,000 is 16.1% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£158/sq ft) was about 49.7% above the typical sold price in the postcode. At 51 m² it's 25% smaller than the typical home in the postcode (68 m² median across 16 EPCs).