14a, Devonshire Road, London, W4 2HD

14a is a three-bedroom mid-terrace house in London (W4 2HD). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1900-1929 and council tax band D. At 63 m² this is the 6th smallest of 8 units on EPC record in the building, where floor areas span 36–72 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 (50 versus a best of 78). The latest certificate (September 2019) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2009); the latest reading is one band lower. The recommended improvements would lift it to C (score 74), a 2-band jump.

Untraded for 24 years, with the last transfer in September 2002. Today's modelled estimate of £547,000 sits 137.8% above the 2002 sale of £230,000. On a £-per-square-foot basis, the last sale (£339/sq ft) was about 24.3% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs).