21a, Carlingford Road, Camden, London, NW3 1RY

21a is a mid-terrace house in Camden, London, London (NW3 1RY). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to before 1900. At 48 m² this is the smallest unit on EPC record across the building (48–285 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (June 2012) shows a C (score 75), near the top of the C band. When first surveyed in September 2009 the rating was D, the property has climbed 1 band since. The recommended improvements would push it to B (score 83). The latest certificate is from June 2012, so improvements made since then won't be reflected.

Held since August 2001 — that's 25 years off the open market, well above the local norm. Across 1999–2001, sale prices on this property compounded at 13.4% per year. Today's modelled estimate of £1,024,000 sits 91.4% above the 2001 sale of £535,000. On a £-per-square-foot basis, the last sale (£1,035/sq ft) was about 36.8% above the typical sold price in the postcode. At 48 m² it sits well below the postcode median (84 m² across 46 EPCs), making it one of the more compact homes locally. One planning record on file: new windows approved in 2009. Past consents include new windows, meaningful when judging how the property has evolved.