12 Barclay Grange, Wain Avenue, Chesterfield, S41 0FF

12 Barclay Grange is a one-bedroom mid-terrace house in Chesterfield (S41 0FF). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1996-2002 and council tax band A. At 38 m² this is the smallest unit on EPC record across the building (38–64 m²). The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (83 versus a worst of 67). The latest certificate (November 2017) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 2 certificates since November 2008. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while window efficiency dropped from Good to Average. Main heating runs on electricity.

At 38 m² it's 28.3% smaller than the typical home in the postcode (53 m² median across 15 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2002–2013, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £110,000 is 47.7% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£182/sq ft) was about 48% above the typical sold price in the postcode. 13 years since the last transfer (September 2013).