Flat 3, 9 King Henrys Road, London, NW3 3QP

Flat 3 is a mid-terrace house in London (NW3 3QP). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to before 1900. At 46 m² this is the smallest unit on EPC record across the building (46–65 m²). The latest certificate (July 2022) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2011. Between certificates, lighting went from Very Poor to Good. The recommended improvements would push it to C (score 77).

It changed hands recently, sold June 2025 for £675,000. Across 2006–2025, sale prices on this property compounded at 3.9% per year. On a £-per-square-foot basis, the last sale (£1,363/sq ft) was about 97.3% above the typical sold price in the postcode. At 46 m² it's 24.6% smaller than the typical home in the postcode (61 m² median across 45 EPCs).