15a, Beatrice Avenue, London, SW16 4UW

15a is a mid-terrace house in London (SW16 4UW). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to 1930-1949. At 81 m² this is the largest unit on EPC record across the building (29–81 m²). The building's EPC ratings span E to C across 8 units on file. The latest certificate (October 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 78).

Untraded for 27 years, with the last transfer in April 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 £356,000 sits 365.4% above the 1999 sale of £76,500. On a £-per-square-foot basis, the last sale (£88/sq ft) was about 62.3% below the postcode norm.