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Get started21 Clarence Terrace is a mid-terrace house in Westminster, London, London (NW1 4RD). It has a recorded floor area of 149 m² (around 1604 sq ft), construction records dating it to before 1900 and council tax band H. At 149 m² this is the 24th smallest of 30 units on EPC record in the building, where floor areas span 32–216 m². The building's EPC ratings span E to C across 30 units on file. The latest certificate (July 2012) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). The latest certificate is from July 2012, so improvements made since then won't be reflected.
At 149 m² the property is well over the postcode median (104 m² across 29 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved.
21 Clarence Terrace's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 11 Jul 2022
Internal reconfiguration involving removal and installation of new partitions, new replacement staircase and redecoration.
21 Clarence Terrace has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,686,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
On floor area, 21 Clarence Terrace stands well clear of the street.
EPC Rating
60 (D)
Street avg 63 (D)
Floor Area
149 m²
Street avg 110 m²
CO₂ Emissions
6.6 t/year
Street avg 5.2 t/year
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Baker Street Station — bus stop.

Daytime· 07:00 – 23:00
58.3dB

Replacement of four single glazed sash windows with double sash windows at rear ground and first floor levels.
1 more application for this property
Join to see all planning history.
Median price across the last 5 sales in NW1 4RD: £650,000 (2025–2022).
Habitable Rooms
4 rooms
Street avg 4 rooms
NW1 4BG
Closest school
0.5 km
St Edward's Catholic Primary School. 63 schools nearby.
Night-time· 23:00 – 07:00
50.0dB