25 Upper Montagu Street London W1H 1SA Data via plota.co.uk

25/08299/LBC - Listed Building Consent Application Pending

Proposal

Replacement of existing external staircase within front lightwell. (Linked to 25/07358/FULL) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
11 Nov 2025
Decision
Target date was 6 Jan 2026

Under consideration

No decision has been issued yet. Plota predicted a decision soon after comments close on 11 Mar 2026; it is now day 360.

The consultation period closed on 11 Mar 2026.

Associated applications 2

Site constraints 8

Grade II listed: 25-37, Upper Montagu Street W1
List entry 1274812 · The pin is inside its outline · 72 more listed buildings within 150 m (1 Grade I, 71 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 72 with distances
Historic England ↗
Portman Estate conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Article 4 direction
Article 4 Basement Development Permitted Rights Removed. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Westminster AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
Also on the record
National infrastructure project 474 m away: London Strategic Heat Main Project, at pre-application; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area125 m² (1,345 sq ft)
Energy ratingC (75 out of 100)
PropertyMid-terrace maisonette, 6 habitable rooms
Built1983 to 1990
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, insulated (assumed)

From the energy performance certificate lodged in April 2011, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Listed Building Consent Application
Postcode
W1H 1SA
Received
11 Nov 2025
Validated
11 Nov 2025
Ward
Marylebone
Case officer
Show
Target decision
6 Jan 2026
Applicant
Show
Agent
Great Plans
Freehold owner
Show

Decision outlook

Day 360, past the statutory target. 71% of listed building works in Westminster are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 1 Nov 2026.

Day 360304 days past the 56-day target
49%decided within 8 weeks
90%approved
2,227decided in the last year

Plota live figures for listed building works decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

No public comments yet.

Last counted 1 Nov 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
11 Mar 2026
Site or press notice
18 Feb 2026
Env. assessment
No
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Other decisions

Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.