18a, Beech Road, London, N11 2DA

18a is a mid-terrace house in London (N11 2DA). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2021) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 75). At 65 m² this is the 15th smallest of 26 units on EPC record in the building, where floor areas span 51–94 m². The building's EPC ratings span E to C across 26 units on file.

Held since May 2006 — that's 20 years off the open market, well above the local norm. Across 2003–2006, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £329,000 sits 67% above the 2006 sale of £197,000. On a £-per-square-foot basis, the last sale (£282/sq ft) was about 23.9% above the typical sold price in the postcode.