Flat 3, 86 Onslow Gardens, London, SW7 3BS

Flat 3 is a three-bedroom mid-terrace house in London (SW7 3BS). It has a recorded floor area of 42 m² (around 451 sq ft), construction records dating it to before 1900 and council tax band F. At 42 m² this is the 2nd smallest of 6 units on EPC record in the building, where floor areas span 38–74 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (76 versus a worst of 67). Other recorded features include a balcony. The latest certificate (May 2009) shows a C (score 76), near the top of the C band. The latest certificate is from May 2009, so improvements made since then won't be reflected.

Across 2002–2019, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £989,000 is 10.1% below the 2019 sale of £1,100,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£2,440/sq ft) was about 212.9% above the typical sold price in the postcode. At 42 m² it sits well below the postcode median (67 m² across 26 EPCs), making it one of the more compact homes locally. Most recent transfer: January 2019 at £1,100,000.