Flat 1 8 Upper Montagu Street London W1H 2PB Data via plota.co.uk

26/04890/LBC - Listed Building Consent Application Pending

Proposal

Replacement of existing windows with timber slimline double-glazed windows, including two bay windows, and replacement of lower ground floor French doors with a double-glazed casement window. (Linked with 26/04889/FULL) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
21 Jul 2026
Decision
Expected by 15 Sept 2026

This application is under consideration - no decision has been issued yet. Plota predicted a decision around 5 Oct 2026; it is now day 76. The consultation period closed on 2 Sept 2026.

Documents 32

Plans & drawings 27

PDF SITE LOCATION PLAN Location Plan · 21 Jul 2026 View ↗ PDF EXISTING GROUND PLAN Drawing · 21 Jul 2026 View ↗ PDF EXISTING LOWER GROUND PLAN Drawing · 21 Jul 2026 View ↗ PDF EXISTING SECTION A Drawing · 21 Jul 2026 View ↗ PDF EXISTING SECTION B Drawing · 21 Jul 2026 View ↗ PDF EXISTING MONTAGU MEWS ELEVATION Drawing · 21 Jul 2026 View ↗ PDF PROPOSED GROUND PLAN Drawing · 21 Jul 2026 View ↗ PDF PROPOSED LOWER GROUND PLAN Drawing · 21 Jul 2026 View ↗ PDF PROPOSED SECTION A Drawing · 21 Jul 2026 View ↗ PDF PROPOSED SECTION B Drawing · 21 Jul 2026 View ↗ PDF PROPOSED MONTAGU MEWS ELEVATION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 1 (KITCHEN) EXISTING DETAIL PLAN Drawing · 21 Jul 2026 View ↗ PDF WINDOW 1 (KITCHEN) EXISTING DETAIL SECTION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 2 (BAY WINDOW) EXISTING DETAIL PLAN Drawing · 21 Jul 2026 View ↗ PDF WINDOW 2 (BAY WINDOW) EXISTING DETAIL SECTION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 3 - (BATHROOM) EXISTING DETAIL PLAN Drawing · 21 Jul 2026 View ↗ PDF WINDOW 3 (BATHROOM) EXISTING DETAIL SECTION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 4 (BAY WINDOW) - EXISTING DETAIL PLAN Drawing · 21 Jul 2026 View ↗ PDF WINDOW 4 (BAY WINDOW) - EXISTING DETAIL SECTION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 1 (KITCHEN) PROPOSED DETAIL PLAN Drawing · 21 Jul 2026 View ↗ PDF WINDOW 1 (KITCHEN) PROPOSED DETAIL SECTION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 2 (BAY WINDOW) PROPOSED DETAIL DRAWING Drawing · 21 Jul 2026 View ↗ PDF WINDOW 2 (BAY WINDOW) PROPOSED DETAIL SECTION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 3 - (BATHROOM) PROPOSED DETAIL PLAN Drawing · 21 Jul 2026 View ↗ PDF WINDOW 3 - (BATHROOM) PROPOSED DETAIL SECTION Drawing · 21 Jul 2026 View ↗ PDF WINDOW 4 (BAY WINDOW) - PROPOSED DETAIL DRAWING Drawing · 21 Jul 2026 View ↗ PDF WINDOW 4 (BAY WINDOW) PROPOSED DETAIL SECTION Drawing · 21 Jul 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 6

Grade II listed: 6 and 8, Upper Montagu Street W1
List entry 1066197 · 3 m away · 65 more listed buildings within 150 m (65 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 65 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
Inside the City of Westminster built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.

Sales history 2

Last sold for £755,000 in April 2006. Flat or maisonette, leasehold.

7 April 2006£755,000
28 February 2005£580,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Important details

Application type
Listed Building Consent Application
Postcode
W1H 2PB
Received
21 Jul 2026
Validated
21 Jul 2026
Ward
Marylebone
Case officer
Show
Target decision
15 Sept 2026
Applicant
Show
Agent
Openeight Ltd

Decision outlook

Day 76, past the statutory target. 84% of extensions in Westminster are decided within thirteen weeks, which runs to 20 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 3 Oct 2026.

Day 7620 days past the 56-day target
56%decided within 8 weeks
88%approved
1,673decided in the last year

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

Public comments

No public comments yet.

Last counted 3 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15100090
Comments by
2 Sept 2026
Site or press notice
12 Aug 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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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