Flat 1, 7 Cannon Place, London, NW3 1EH

Flat 1 is a semi-detached house in London (NW3 1EH). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to before 1900 and council tax band F. At 76 m² this is the 2nd smallest of 5 units on EPC record in the building, where floor areas span 66–117 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (69 versus a worst of 47). The latest certificate (November 2025) shows a C (score 69), just inside the C band. When first surveyed in August 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good.

Held since June 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 2001–2007, sale prices on this property compounded at 17.1% per year. Today's modelled estimate of £1,347,000 sits 54% above the 2007 sale of £874,500. On a £-per-square-foot basis, the last sale (£1,069/sq ft) was about 15.5% below the postcode norm. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).