Flat 1, 18 Double Street, Spalding, PE11 2AA

Flat 1 is a one-bedroom semi-detached house in Spalding (PE11 2AA). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 2007-2011 and council tax band A. At 54 m² this is the smallest unit on EPC record across the building (54–64 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (66 versus a best of 70). The latest certificate (March 2021) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2009. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Poor to Very Poor. Main heating runs on electricity.

Today's modelled estimate of £109,000 is 12.4% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 16.8% above the typical sold price in the postcode. 10 years since the last transfer (July 2016). At 54 m² it's 19.4% smaller than the typical home in the postcode (67 m² median across 32 EPCs).