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 26/04890/LBC) Data via plota.co.uk

View original council record ↗

Application progress

Received
21 Jul 2026
Decision
Awaiting decision

This application is under consideration - no decision has been issued yet.

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 ↗

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

Consultation & key dates

Alt. reference
PP-15100090
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 performance
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