28 Grosvenor Street London W1K 4QR Data via plota.co.uk

26/05237/FULL - Full Planning Permission Application Pending

Proposal

Demolition and rebuilding of the 4th floor and roof level to create a sunken roof terrace including a single storey access pod. Installation of a plant enclosure and lift overrun, infilling of rear lightwell, provision of a new lift, all in connection with the continued use as offices. Data via plota.co.uk

View original council record ↗

Application progress

Received
3 Aug 2026
Decision
Awaiting decision

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

Documents 37

Statements & assessments 20

PDF NOISE IMPACT ASSESSMENT Noise impact assessment · 3 Aug 2026 View ↗ PDF ACOUSTIC MITIGATION MEASURES Noise impact assessment · 3 Aug 2026 View ↗ PDF ARCHAEOLOGICAL IMPACT ASSESSMENT Background Papers · 3 Aug 2026 View ↗ PDF PLANNING STATEMENT_INCLUDED_IN_COVERING LETTER Background Papers · 3 Aug 2026 View ↗ PDF FIRE STATEMENT Background Papers · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 06 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 07 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 08 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 09 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 10 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 11 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 01 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 02 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 03 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 04 Design and Access Statement · 3 Aug 2026 View ↗ PDF DESIGN & ACCESS STATEMENT PART 05 Design and Access Statement · 3 Aug 2026 View ↗ PDF DRAINAGE STRATEGY REPORT SuDS supporting information · 3 Aug 2026 View ↗ PDF FLOOD RISK ASSESSMENT Flood risk assessment · 3 Aug 2026 View ↗ PDF STRUCTURAL METHODOLOGY STATEMENT Structural survey · 3 Aug 2026 View ↗ PDF HERITAGE AND TOWNSCAPE IMPACT ASSESSMENT Heritage Statement · 3 Aug 2026 View ↗

All documents on the council site ↗

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Important details

Application type
Full Planning Permission Application
Postcode
W1K 4QR
Received
3 Aug 2026
Validated
3 Aug 2026
Ward
West End
Case officer
Show
Target decision
28 Sept 2026
Applicant
Show
Agent
CBRE Ltd

Public comments

No public comments yet.

73 neighbours consulted · Last counted 19 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15098843
Press notice
26 Aug 2026
Env. assessment
No
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder 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