21a, Margaret Road, Barnet, EN4 9NP

21a is a one-bedroom semi-detached house in Barnet (EN4 9NP). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to 1930-1949. At 40 m² this is the 4th smallest of 16 units on EPC record in the building, where floor areas span 28–98 m². The building's EPC ratings span E to C across 16 units on file. The latest certificate (March 2025) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).

Untraded for 29 years, with the last transfer in April 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £269,000 sits 427.5% above the 1997 sale of £51,000. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 63.2% below the postcode norm. At 40 m² it sits well below the postcode median (68 m² across 15 EPCs), making it one of the more compact homes locally.