19a, Burnt Ash Hill, Lewisham, London, SE12 0AA

19a is a two-bedroom mid-terrace house in Lewisham, London, London (SE12 0AA). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to before 1900 and council tax band C. At 86 m² this is the 13th smallest of 16 units on EPC record in the building, where floor areas span 38–248 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (75 versus a worst of 52). The latest certificate (October 2017) shows a C (score 75), near the top of the C band. When first surveyed in October 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Average to Very Poor.

Untraded for 29 years, with the last transfer in October 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 86 m² the property is well over the postcode median (60 m² across 22 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £257,000 sits 928% above the 1997 sale of £25,000. On a £-per-square-foot basis, the last sale (£27/sq ft) was about 81.6% below the postcode norm. One planning record on file: an extension approved in 2016. Past consents include an extension, new windows, subdivision and change of use to residential, meaningful when judging how the property has evolved.