Flat 4, 15 Bracknell Gardens, London, NW3 7EE

Flat 4 is a two-bedroom mid-terrace house in London (NW3 7EE). It has a recorded floor area of 61 m² (around 658 sq ft) and council tax band F. At 61 m² this is the smallest unit on EPC record across the building (61–165 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 (74 versus a worst of 43). The latest certificate (October 2009) shows a C (score 74). The latest certificate is from October 2009, so improvements made since then won't be reflected.

Held since January 2010 — that's 16 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. At 61 m² it sits well below the postcode median (151 m² across 31 EPCs), making it one of the more compact homes locally. Across 1997–2010, sale prices on this property compounded at 9.3% per year. Today's modelled estimate of £723,000 is 45.3% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£756/sq ft) was about 17.7% above the typical sold price in the postcode.