1a, Cranley Gardens, London, N13 4LT

1a is an end-of-terrace house in London (N13 4LT). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to before 1900 and council tax band C. At 53 m² this is the 3rd smallest of 13 units on EPC record in the building, where floor areas span 42–99 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 (52 versus a best of 74). The latest certificate (October 2015) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected.

Held since November 2006 — that's 20 years off the open market, well above the local norm. At 53 m² it's 28.9% smaller than the typical home in the postcode (75 m² median across 36 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1996–2006, sale prices on this property compounded at 12% per year. Today's modelled estimate of £348,000 sits 89.1% above the 2006 sale of £184,000.