Flat 4, 22 Belsize Square, London, NW3 4HT

Flat 4 is a semi-detached house in London (NW3 4HT). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1900-1929 and council tax band G. At 95 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 83–118 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2015) shows a C (score 71). The rating has held steady at C across 2 certificates since June 2010. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 83). The latest certificate is from March 2015, so improvements made since then won't be reflected.

2 planning records sit against the property, 1 approved, 1 refused. Past consents include new windows, meaningful when judging how the property has evolved. Across 2015–2022, sale prices on this property compounded at 3% per year. Today's modelled estimate of £1,559,000 is 17.2% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£1,301/sq ft) was about 131.9% above the typical sold price in the postcode. Sold August 2022 for £1,330,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.