21b, Stuart Road, Southwark, London, SE15 3BE

21b is an end-of-terrace house in Southwark, London, London (SE15 3BE). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2018) shows a D (score 58), a step below the typical UK home. Earlier certificates rated it C (February 2010); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 77). At 89 m² this is the 27th smallest of 39 units on EPC record in the building, where floor areas span 45–166 m². The building's EPC ratings span E to A across 39 units on file.

Held since October 1997 — that's 29 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 89 m² the property is well over the postcode median (62 m² across 38 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £467,000 sits 1382.5% above the 1997 sale of £31,500. On a £-per-square-foot basis, the last sale (£33/sq ft) was about 92.8% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused.