1a, Jeffreys Street, Camden, London, NW1 9PS

1a is a mid-terrace house in Camden, London, London (NW1 9PS). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2019) shows a D (score 57), a step below the typical UK home. When first surveyed in August 2009 the rating was F, the property has climbed 2 bands since. Between certificates, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 74). Main heating runs on electricity. At 50 m² this is the 2nd smallest of 17 units on EPC record in the building, where floor areas span 37–168 m². The building's EPC ratings span F to C across 17 units on file.

Held since September 2005 — that's 21 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 31.9% per year against 0% for the wider region. Today's modelled estimate of £472,000 is 34.9% above the 2005 sale price. At 50 m² it sits well below the postcode median (116 m² across 16 EPCs), making it one of the more compact homes locally.