14c, Northolme Road, London, N5 2UZ

14c is a mid-terrace house in London (N5 2UZ). It has a recorded floor area of 60 m² (around 646 sq ft) and construction records dating it to before 1900. At 60 m² this is the 7th smallest of 16 units on EPC record in the building, where floor areas span 54–139 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 (48 versus a best of 78). The latest certificate (July 2014) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67). The latest certificate is from July 2014, so improvements made since then won't be reflected.

Held since October 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £659,000 sits 165.7% above the 2002 sale of £248,000. At 60 m² it's 29.4% smaller than the typical home in the postcode (85 m² median across 32 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs).