Flat 4a, 3 Rosslyn Hill, Camden, London, NW3 5UL

Flat 4a is a semi-detached house in Camden, London, London (NW3 5UL). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to before 1900 and council tax band D. At 39 m² this is the smallest unit on EPC record across the building (39–130 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (January 2022) shows a C (score 78), near the top of the C band.

At 39 m² the property is well over the postcode median (30 m² across 40 EPCs), placing it in the larger end of the local stock. Across 2006–2021, sale prices on this property compounded at 3.1% per year. On a £-per-square-foot basis, the last sale (£1,096/sq ft) was about 42.6% above the typical sold price in the postcode. Most recent transfer: March 2021 at £460,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.