Flat 1, 3 Gascony Avenue, London, NW6 4NB

Flat 1 is a mid-terrace house in London (NW6 4NB). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1930-1949 and council tax band D. At 66 m² this is the 9th smallest of 11 units on EPC record in the building, where floor areas span 15–74 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2022) shows a C (score 70). The rating has held steady at C across 3 certificates since February 2012. Between certificates, wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average.

At 66 m² it's 22.2% larger than the typical home in the postcode (54 m² median across 64 EPCs). Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Across 2002–2022, sale prices on this property compounded at 5.1% per year. On a £-per-square-foot basis, the last sale (£739/sq ft) was about 45.4% above the typical sold price in the postcode. Most recent transfer: July 2022 at £525,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.