Flat 4, 11 Mornington Crescent, London, NW1 7RH

Flat 4 is a three-bedroom end-of-terrace house in London (NW1 7RH). It has a recorded floor area of 87 m² (around 936 sq ft) and construction records dating it to 1900-1929. At 87 m² this is the largest unit on EPC record across the building (83–87 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 (43 versus a best of 72). The latest certificate (February 2025) shows an E (score 43), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2014. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Very Poor to Average; while main heating dropped from Average to Very Poor. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on electricity.

Sale prices here have outpaced London HPI: 5.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£780/sq ft) was about 82.3% above the typical sold price in the postcode. At 87 m² it's 18.4% larger than the typical home in the postcode (74 m² median across 18 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Most recent transfer: May 2022 at £730,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.