3 Belgrave Mews North, Westminster, London, SW1X 8RS

3 Belgrave Mews North is a two-bedroom mid-terrace house in Westminster, London, London (SW1X 8RS). It has a recorded floor area of 118 m² (around 1270 sq ft) and construction records dating it to before 1900. At 118 m² this is the 6th smallest of 15 units on EPC record in the building, where floor areas span 96–377 m². The building's EPC ratings span F to C across 15 units on file. Other recorded features include a balcony. The latest certificate (September 2018) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).

Held since February 1996 — that's 30 years off the open market, well above the local norm. 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 £2,010,000 sits 474.3% above the 1996 sale of £350,000. On a £-per-square-foot basis, the last sale (£276/sq ft) was about 62.9% below the postcode norm. One historical planning record sits against the property in 2015.