12a, Castlegate, Tickhill, Doncaster, DN11 9QU

12a is a one-bedroom mid-terrace house in Tickhill, Doncaster, Doncaster (DN11 9QU). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1900-1929 and council tax band A. Tenure is freehold. At 48 m² this is the smallest unit on EPC record across the building (48–205 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (March 2023) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in February 2009 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Average. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on electricity.

Untraded for 17 years, with the last transfer in April 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 48 m² it sits well below the postcode median (110 m² across 14 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 110.8% above the typical sold price in the postcode.