205a, Rotherhithe New Road, Southwark, London, SE16 2BA

205a is a mid-terrace house in Southwark, London, London (SE16 2BA). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (December 2018) shows an E (score 41), well below the UK norm with real room to improve. When first surveyed in February 2013 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Very Good, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on electricity. At 49 m² this is the 5th smallest of 7 units on EPC record in the building, where floor areas span 29–54 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (41 versus a best of 75).

Untraded for 30 years, with the last transfer in October 1996. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 49 m² the property is well over the postcode median (29 m² across 6 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £269,000 sits 934.6% above the 1996 sale of £26,000.