Flat 3, 30 Connaught Avenue, Plymouth, PL4 7BY

Flat 3 is a mid-terrace house in Plymouth (PL4 7BY). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1900-1929 and council tax band A. At 28 m² this is the smallest unit on EPC record across the building (28–65 m²). The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (March 2014) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity. The latest certificate is from March 2014, so improvements made since then won't be reflected.

Held since June 2003 — that's 23 years off the open market, well above the local norm. Across 2001–2003, sale prices on this property compounded at 32.1% per year. Today's modelled estimate of £108,000 sits 157.1% above the 2003 sale of £42,000. At 28 m² it sits well below the postcode median (58 m² across 59 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).