31b, Fitzjohns Avenue, Camden, London, NW3 5JY

31b is a detached house in Camden, London, London (NW3 5JY). It has a recorded floor area of 32 m² (around 344 sq ft) and construction records dating it to 1900-1929. At 32 m² this is the smallest unit on EPC record across the building (32–645 m²). The building's EPC ratings span F to B across 65 units on file. The latest certificate (June 2019) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 3 certificates since September 2008. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Poor to Very Poor and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 74).

Held since January 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1998–2007, sale prices on this property compounded at 11.1% per year. Today's modelled estimate of £419,000 sits 67.6% above the 2007 sale of £249,950. At 32 m² it sits well below the postcode median (99 m² across 106 EPCs), making it one of the more compact homes locally.