Flat 4, 799 Sheffield Road, Chesterfield, S41 9EQ

Flat 4 is a one-bedroom semi-detached house in Chesterfield (S41 9EQ). 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 smallest unit on EPC record across the building (46–71 m²). The building's EPC ratings span D to C, with this unit at the bottom. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy. The latest certificate (September 2017) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2016); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Very Good to Very Poor and window efficiency dropped from Very Good to Average.

Today's modelled estimate of £122,000 sits 63.3% above the 2017 sale of £74,700. On a £-per-square-foot basis, the last sale (£151/sq ft) was about 23.2% above the typical sold price in the postcode. At 46 m² it sits well below the postcode median (79 m² across 18 EPCs), making it one of the more compact homes locally. On the market in October 2017 and unlisted since — roughly 9 years.