Claridge House, Flat 4, 13 Belsize Park, London, NW3 4ES

Claridge House is a semi-detached house in London (NW3 4ES). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band E. At 60 m² this is the 2nd smallest of 5 units on EPC record in Claridge House, where floor areas span 41–104 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (June 2017) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2015. Between certificates, wall efficiency dropped from Poor to Very Poor and lighting dropped from Very Good to Poor. The recommended improvements would push it to C (score 80).

5 planning records sit against the property, 1 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. Across 1995–2023, sale prices on this property compounded at 6.3% per year. On a £-per-square-foot basis, the last sale (£1,117/sq ft) was about 99.8% above the typical sold price in the postcode. Sold October 2023 for £721,500.