Flat 1, 63 Derby Road, Enfield, EN3 4AJ

Flat 1 is a semi-detached house in Enfield (EN3 4AJ). It has a recorded floor area of 24 m² (around 258 sq ft), construction records dating it to 1930-1949 and council tax band A. At 24 m² this is the smallest unit on EPC record across the building (24–68 m²). On EPC score it ranks last in the building (44 versus a best of 46). The latest certificate (September 2023) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. Main heating runs on electricity.

It hasn't traded since August 2006, a hold of 20 years that's notably long for the area. Across the public record there are 5 sales, relatively high churn for a single property. Across 2002–2006, sale prices on this property compounded at 9.8% per year. Today's modelled estimate of £135,000 sits 59.2% above the 2006 sale of £84,800. At 24 m² it sits well below the postcode median (69 m² across 23 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs).