11 Flockton House, Westfield Terrace, Sheffield, S1 4GH

11 Flockton House is an end-of-terrace house in Sheffield (S1 4GH). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1976-1982 and council tax band A. At 59 m² this is the largest unit on EPC record across the building (24–59 m²). The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (57 versus a best of 82). The latest certificate (December 2022) shows a D (score 57), a step below the typical UK home. When first surveyed in March 2019 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good; while hot-water efficiency dropped from Good to Average and lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 77). Main heating runs on electricity.

Across 2004–2008, sale prices on this property compounded at 73.7% per year. Today's modelled estimate of £166,000 is 17% below the 2008 sale of £200,000, an unusual pattern given regional price growth and worth checking against the EPC condition. Untraded for 18 years, with the last transfer in April 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 59 m² the property is well over the postcode median (32 m² across 28 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs).