Flat 3, 47 Belsize Park Gardens, London, NW3 4JL

Flat 3 is a two-bedroom end-of-terrace house in London (NW3 4JL). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (March 2020) shows a C (score 72). When first surveyed in October 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 83). At 72 m² this is the 4th smallest of 8 units on EPC record in the building, where floor areas span 51–134 m². The building's EPC ratings span E to B across 8 units on file. Period features are noted in the property record.

It hasn't traded since June 1996, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £853,000 sits 468.9% above the 1996 sale of £149,950. On a £-per-square-foot basis, the last sale (£193/sq ft) was about 69% below the postcode norm.