Rotunda Building, Flat 3, Upper Hampstead Walk, Camden, London, NW3 1DE

Rotunda Building is a mid-terrace house in Camden, London, London (NW3 1DE). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band H. At 108 m² this is the 4th smallest of 5 units on EPC record in Rotunda Building, where floor areas span 88–129 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (August 2025) shows a C (score 72). When first surveyed in October 2008 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good.

Untraded for 28 years, with the last transfer in March 1998. 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 £1,891,000 sits 174.1% above the 1998 sale of £690,000. On a £-per-square-foot basis, the last sale (£594/sq ft) was about 15.8% above the typical sold price in the postcode. 5 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 108 m² it's 20% larger than the typical home in the postcode (90 m² median across 21 EPCs).