21 Collingham Road, Swallownest, Sheffield, S26 4NW

21 Collingham Road is a one-bedroom semi-detached house in Swallownest, Sheffield, Sheffield (S26 4NW). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1991-1995 and council tax band A. The latest certificate (May 2025) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since January 2013. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. At 42 m² this is the 3rd smallest of 29 units on EPC record in the building, where floor areas span 37–97 m². The building's EPC ratings span D to B across 29 units on file.

Untraded for 18 years, with the last transfer in December 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1996–2007, sale prices on this property compounded at 10.3% per year. Today's modelled estimate of £107,000 is 24.4% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£190/sq ft) was about 32.1% above the typical sold price in the postcode. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.