Flat G, 13 The Cliff, Hartlepool, TS25 1AP

Flat G is a one-bedroom mid-terrace house in Hartlepool (TS25 1AP). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to 1900-1929. The latest certificate (November 2017) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2013. Between certificates, hot-water efficiency went from Poor to Good; while wall efficiency dropped from Average to Very Poor and roof efficiency dropped from Poor to Very Poor. Other recorded features include notable views.

Held since April 2006 — that's 20 years off the open market, well above the local norm. Across 2001–2006, sale prices on this property compounded at 26.2% per year. Today's modelled estimate of £123,000 is 32.3% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 62% above the typical sold price in the postcode. At 53 m² it's 18.5% smaller than the typical home in the postcode (65 m² median across 20 EPCs).