7b, Lancaster Drive, London, NW3 4EY

7b is an end-of-terrace house in London (NW3 4EY). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to before 1900 and council tax band E. At 80 m² this is the 4th smallest of 8 units on EPC record in the building, where floor areas span 52–133 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 (76 versus a worst of 47). The latest certificate (June 2025) shows a C (score 76), near the top of the C band. When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Poor.

Untraded for 27 years, with the last transfer in September 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 £833,000 sits 256% above the 1999 sale of £234,000. On a £-per-square-foot basis, the last sale (£272/sq ft) was about 58.9% below the postcode norm. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs).