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Get started123b is an end-of-terrace house in Westminster, London, London (NW1 6UP). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band C. At 37 m² this is the smallest unit on EPC record across the building (37–200 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (February 2024) shows a C (score 74). The rating has held steady at C across 2 certificates since March 2022. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good.
2 planning records sit against the property, 2 approved, 0 refused. The record references listed-building consent, which constrain future alterations. At 37 m² it sits well below the postcode median (73 m² across 24 EPCs), making it one of the more compact homes locally.
123b's carbon output is low for the local stock.
123b has a listed-building consent on record — alterations to a listed property are tightly controlled.
Variation of condition 1 of listed building consent dated 13 September 2019 (RN: 19/05339/COLBC) for Installation of internal fire alarm and internal and external emergency lighting to circulation areas to properties 121 and 123 Lisson Grove. NAMELY to amend the internal ceiling lighting.
123b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£399,000
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.
123b is notably below the street on floor area.
EPC Rating
74 (C)
Street avg 63 (D)
Floor Area
37 m²
Street avg 71 m²
CO₂ Emissions
1.2 t/year
Street avg 3.0 t/year
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Rossmore Road / Lisson Grove — bus stop.

Daytime· 07:00 – 23:00
60.3dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Installation of internal fire alarm and internal and external emergency lighting to circulation areas to properties 121 and 123 Lisson Grove.
Median price across the last 5 sales in NW1 6UP: £799,999 (2025–2020).
Habitable Rooms
2 rooms
Street avg 3 rooms
Closest school
0.2 km
St Edward's Catholic Primary School. 66 schools nearby.
Night-time· 23:00 – 07:00
51.0dB