189a, Alexandra Park Road, London, N22 7BJ

189a is a two-bedroom detached house in London (N22 7BJ). It has a recorded floor area of 18 m² (around 194 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (September 2025) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on electricity.

Held since January 1997 — that's 29 years off the open market, well above the local norm. 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 £501,000 sits 158.2% above the 1997 sale of £194,000. On a £-per-square-foot basis, the last sale (£1,001/sq ft) was about 129.2% above the typical sold price in the postcode. At 18 m² it sits well below the postcode median (81 m² across 64 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs).