20 Elizabeth Mews, Camden, London, NW3 4UH

20 Elizabeth Mews is a one-bedroom end-of-terrace house in Camden, London, London (NW3 4UH). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (August 2019) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2009. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 78). At 51 m² this is the 3rd smallest of 14 units on EPC record in the building, where floor areas span 47–148 m². The building's EPC ratings span E to C across 14 units on file. Period features are noted in the property record. The home occupies a cul-de-sac position.

It hasn't traded since September 1995, a hold of 31 years that's notably long for the area. 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 £567,000 sits 503.2% above the 1995 sale of £94,000. On a £-per-square-foot basis, the last sale (£171/sq ft) was about 78% below the postcode norm. At 51 m² it's 29.2% smaller than the typical home in the postcode (72 m² median across 18 EPCs).