1 Warwick Square, Westminster, London, SW1V 2AA

1 Warwick Square is an end-of-terrace house in Westminster, London, London (SW1V 2AA). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to before 1900 and council tax band F. At 54 m² this is the 3rd smallest of 8 units on EPC record in the building, where floor areas span 44–233 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (February 2024) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2013); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 78).

9 planning records sit against the property, 6 approved, 2 refused, 1 pending. Past consents include a basement excavation and an extension, meaningful when judging how the property has evolved. An application is currently awaiting a decision. The record references listed-building consent, which constrain future alterations. At 54 m² it's 23.5% smaller than the typical home in the postcode (71 m² median across 27 EPCs).