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Get started12 Montagu Street is an end-of-terrace house in Westminster, London, London (W1H 7EX). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to before 1900. The latest certificate (June 2023) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2013. Between certificates, hot-water efficiency went from Very Poor to Good and lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 79). At 67 m² this is the 2nd smallest of 6 units on EPC record in the building, where floor areas span 40–427 m². The building's EPC ratings span E to B across 6 units on file.
10 planning records sit against the property, 5 approved, 5 refused. The record references listed-building consent, which constrain future alterations. At 67 m² it's 27.2% smaller than the typical home in the postcode (92 m² median across 31 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs).
A recent planning application at 12 Montagu Street was refused — worth checking the council file.
Internal and external alterations including replacement coping stones with Portland Stone and refurbishments to the light wells and main roof.
12 Montagu Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,056,000
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.
12 Montagu Street is notably below the street on epc rating.
EPC Rating
67 (D)
Street avg 71 (C)
Floor Area
67 m²
Street avg 81 m²
CO₂ Emissions
2.7 t/year
Street avg 2.7 t/year
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
George Street (W1) — bus stop.

Daytime· 07:00 – 23:00
63.9dB

Changes detected from historical EPC data
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Replacement of the existing flat entrance doors, including frames, to improve the fire rating and security measures.
8 more applications for this property
Join to see all planning history.
Median price across the last 5 sales in W1H 7EX: £1,475,000 (2025–2021).
Habitable Rooms
2 rooms
Street avg 3 rooms
Closest school
0.4 km
Hampden Gurney CofE Primary School. 61 schools nearby.
Night-time· 23:00 – 07:00
54.6dB