Hallam Rock, Flat 35, 100 Norwood Road, Sheffield, S5 7BE

Hallam Rock is a one-bedroom detached house in Sheffield (S5 7BE). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1950-1966. At 46 m² this is the 6th smallest of 20 units on EPC record in Hallam Rock, where floor areas span 32–48 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (45 versus a best of 76). The latest certificate (July 2016) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2020, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £110,000 sits 69.2% above the 2020 sale of £65,000. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 18% above the typical sold price in the postcode. Most recent transfer: January 2020 at £65,000.