26/01708/FULLPlanning Application 26/01708/FULL
Full application at 10 Great Castle Street London W1W 8LP, Westminster. View planning documents, track the decision and get email alerts on updates.
Variation of condition 4 of planning permission dated 15th August 2024 (RN 24/02645/FULL) for the installation of diesel back-up generator on the first floor terrace. NAMELY, to amend the condition to clarify that the generator may be used to maintain essential operational, financial, and security systems during power outages; Confirm that it will not be used for commercial energy supply or grid-support services such as STOR; and Retain the approved noise limits and testing restrictions to ensure there is no additional environmental impact.
26/01708/FULL
10 Great Castle Street London W1W 8LP
This is a full planning application at 10 Great Castle Street London W1W 8LP. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 17 March 2026 and is still awaiting a decision. The site is in the East Marylebone conservation area, with 6 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 561 applications across West End. We hold 132 applications in total for the W1W postcode area.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near W1W
New planning applications delivered to your inbox weekly.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster