125b, Flat 6, West End Lane, London, NW6 2PB

125b is a semi-detached house in London (NW6 2PB). It has a recorded floor area of 27 m² (around 291 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2018) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in November 2015 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity. At 27 m² this is the 6th smallest of 7 units on EPC record in 125b, where floor areas span 15–27 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 (40 versus a best of 74).

At 27 m² the property is well over the postcode median (19 m² across 7 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs).