89a, Lansdowne Road, Brimington, Chesterfield, S43 1AY

89a is a three-bedroom semi-detached house in Brimington, Chesterfield, Chesterfield (S43 1AY). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (April 2026) shows an F (score 38), near the bottom of the EPC scale. Earlier certificates rated it C (September 2025); the latest reading is 3 bands lower. Between certificates, wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 75), a 3-band jump. Main heating runs on to be used only when there is no heating/hot. This certificate was lodged in the last six months, so the rating reflects current condition. At 69 m² this is the 23rd smallest of 43 units on EPC record in the building, where floor areas span 58–105 m². The building's EPC ratings span F to B, with this unit at the bottom. On EPC score it ranks last in the building (38 versus a best of 82). Other recorded features include a conservatory.

Untraded for 29 years, with the last transfer in July 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £127,000 sits 625.7% above the 1997 sale of £17,500. On a £-per-square-foot basis, the last sale (£24/sq ft) was about 81.5% below the postcode norm.