54a, Holmdale Road, Camden, London, NW6 1BL

54a is a mid-terrace house in Camden, London, London (NW6 1BL). It has a recorded floor area of 59 m² (around 635 sq ft) and construction records dating it to 1900-1929. At 59 m² this is the 9th smallest of 24 units on EPC record in the building, where floor areas span 12–298 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (November 2018) shows a C (score 70). When first surveyed in November 2015 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency dropped from Poor to Very Poor and lighting dropped from Very Good to Average.

Untraded for 30 years, with the last transfer in March 1996. 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 £590,000 sits 306.9% above the 1996 sale of £145,000. On a £-per-square-foot basis, the last sale (£228/sq ft) was about 47.5% below the postcode norm.