10 Southfarm Avenue, Harthill, Sheffield, S26 7WY

10 Southfarm Avenue is a four-bedroom detached house in Harthill, Sheffield, Sheffield (S26 7WY). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (September 2025) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2015. Between certificates, roof efficiency went from Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 76).

Held since October 1997 — that's 29 years off the open market, well above the local norm. At 123 m² the property is well over the postcode median (88 m² across 9 EPCs), placing it in the larger end of the local stock. Across 1996–1997, sale prices on this property compounded at 13% per year. Today's modelled estimate of £374,000 sits 379.5% above the 1997 sale of £78,000. On a £-per-square-foot basis, the last sale (£59/sq ft) was about 60.8% below the postcode norm.