Flat 1, 1 Frognal, London, NW3 6AL

Flat 1 is a mid-terrace house in London (NW3 6AL). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to before 1900 and council tax band G. At 108 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 80–109 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 (72 versus a worst of 52). The latest certificate (June 2023) shows a C (score 72). When first surveyed in March 2013 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good.

At 108 m² the property is well over the postcode median (80 m² across 25 EPCs), placing it in the larger end of the local stock. Across 1995–2017, sale prices on this property compounded at 7.4% per year. Today's modelled estimate of £1,189,000 is 40.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£730/sq ft) was about 105.1% above the typical sold price in the postcode. 9 years since the last transfer (May 2017).