Flat 3, 28 Cornwall Road, London, N4 4PH

Flat 3 is a mid-terrace house in London (N4 4PH). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1930-1949. At 46 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 43–69 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (50 versus a best of 69). The latest certificate (July 2020) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to D (score 67).

At 46 m² it's 16.4% smaller than the typical home in the postcode (55 m² median across 50 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. A recent sale: £395,000 in July 2025. Across 1998–2025, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £447,000 is 13.2% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£798/sq ft) was about 142.9% above the typical sold price in the postcode.