Flat 2, 22 Knifesmithgate, Chesterfield, S40 1RF

Flat 2 is a mid-terrace house in Chesterfield (S40 1RF). It has a recorded floor area of 30 m² (around 323 sq ft) and construction records dating it to before 1900. At 30 m² this is the 2nd smallest of 5 units on EPC record in the building, where floor areas span 28–46 m². The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (April 2017) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity.

Today's modelled estimate of £140,000 is 56.3% below the 2017 sale of £320,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. At 30 m² it sits well below the postcode median (49 m² across 14 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On the market in June 2017 and unlisted since — roughly 9 years.