190a, Flat 2, Streatham High Road, London, SW16 1BB

190a is a mid-terrace house in London (SW16 1BB). It has a recorded floor area of 65 m² (around 700 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2015) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75). The latest certificate is from October 2015, so improvements made since then won't be reflected. At 65 m² this is the 7th smallest of 8 units on EPC record in 190a, where floor areas span 48–66 m². The building's EPC ratings span E to C across 8 units on file.

At 65 m² the property is well over the postcode median (48 m² across 35 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).