350a, Grimsby Road, Humberston, Grimsby, DN36 4AA

350a is a semi-detached house in Humberston, Grimsby, Grimsby (DN36 4AA). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1967-1975 and council tax band A. At 53 m² this is the smallest unit on EPC record across the building (53–135 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (42 versus a best of 68). The latest certificate (July 2019) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in June 2018 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Very Poor to Poor. Main heating runs on electricity.

Today's modelled estimate of £114,000 is 60% below the 2019 sale of £285,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£500/sq ft) was about 163.4% above the typical sold price in the postcode. At 53 m² it sits well below the postcode median (86 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 71% of similar EPCs). Most recent transfer: June 2019 at £285,000.