50a, Plumstead High Street, Greenwich, London, SE18 1SL

50a is a mid-terrace house in Greenwich, London, London (SE18 1SL). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to 1930-1949 and council tax band A. At 33 m² this is the smallest unit on EPC record across the building (33–144 m²). The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (21 versus a best of 77). The latest certificate (September 2024) shows an F (score 21), near the bottom of the EPC scale. When first surveyed in April 2014 the rating was G, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average. The recommended improvements would lift it to C (score 74), a 3-band jump. Main heating runs on electricity.

Untraded for 24 years, with the last transfer in October 2002. At 33 m² it sits well below the postcode median (66 m² across 14 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £252,000 sits 152% above the 2002 sale of £100,000. On a £-per-square-foot basis, the last sale (£282/sq ft) was about 40.2% above the typical sold price in the postcode.