1 Clayfield House, Welbeck Road, Doncaster, DN4 5EY

1 Clayfield House is a detached house in Doncaster (DN4 5EY). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1983-1990 and council tax band A. At 43 m² this is the smallest unit on EPC record across the building (43–56 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 76). The latest certificate (April 2018) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73).

Held since November 2003 — that's 23 years off the open market, well above the local norm. Across 1998–2003, sale prices on this property compounded at 18.8% per year. Today's modelled estimate of £120,000 sits 64.5% above the 2003 sale of £72,950. On a £-per-square-foot basis, the last sale (£158/sq ft) was about 31.9% above the typical sold price in the postcode. At 43 m² it sits well below the postcode median (103 m² across 39 EPCs), making it one of the more compact homes locally.