297a, Ecclesall Road, Sheffield, S11 8NX

297a is a mid-terrace house in Sheffield (S11 8NX). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band A. At 71 m² this is the 3rd smallest of 16 units on EPC record in the building, where floor areas span 53–250 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 (44 versus a best of 77). The latest certificate (November 2017) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 58). Main heating runs on electricity.

Across 1999–2019, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £588,000 is 26.5% below the 2019 sale of £800,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,047/sq ft) was about 241.7% above the typical sold price in the postcode. At 71 m² it's 26.8% smaller than the typical home in the postcode (97 m² median across 15 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs). Most recent transfer: February 2019 at £800,000.