22a, Margaret Road, Barnet, EN4 9NP

22a is an end-of-terrace house in Barnet (EN4 9NP). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2021) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 73). At 68 m² this is the 9th 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.

Untraded for 26 years, with the last transfer in October 2000. At 68 m² the property is well over the postcode median (49 m² across 15 EPCs), placing it in the larger end of the local stock. Across 1997–2000, sale prices on this property compounded at 31.9% per year. Today's modelled estimate of £372,000 sits 204.9% above the 2000 sale of £122,000. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 49.5% below the postcode norm.