6b, Holbeck Row, Southwark, London, SE15 1QA

6b is a one-bedroom mid-terrace house in Southwark, London, London (SE15 1QA). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 1900-1929. At 51 m² this is the 6th smallest of 23 units on EPC record in the building, where floor areas span 42–241 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2022) shows a C (score 70). When first surveyed in June 2010 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and main heating went from Poor to Good.

Untraded for 27 years, with the last transfer in November 1999. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £320,000 sits 566.7% above the 1999 sale of £48,000. On a £-per-square-foot basis, the last sale (£87/sq ft) was about 66% below the postcode norm. At 51 m² it sits well below the postcode median (101 m² across 22 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs).