11a, Primrose Gardens, Camden, London, NW3 4UJ

11a is a mid-terrace house in Camden, London, London (NW3 4UJ). It has a recorded floor area of 100 m² (around 1076 sq ft) and construction records dating it to before 1900. At 100 m² this is the 15th smallest of 20 units on EPC record in the building, where floor areas span 48–174 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 (78 versus a worst of 53). The latest certificate (December 2020) shows a C (score 78), near the top of the C band. When first surveyed in May 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Average and window efficiency went from Very Poor to Average.

At 100 m² the property is well over the postcode median (60 m² across 54 EPCs), placing it in the larger end of the local stock. Across 1997–2013, sale prices on this property compounded at -19.3% per year. Today's modelled estimate of £911,000 sits 20144.4% above the 2013 sale of £4,500. On a £-per-square-foot basis, the last sale (£4/sq ft) was about 99.2% below the postcode norm. 12 years since the last transfer (December 2013).