cs:westminster:26/05544/FULLPlanning Application cs:westminster:26/05544/FULL
Planning application at 1 Chiltern Street London W1U 7PA, Westminster. View planning documents, track the decision and get email alerts on updates.
Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof and installation of a pressurised stair system. (Linked with 26/05545/LBC)
26/05544/FULL
1 Chiltern Street London W1U 7PA
This is a planning application at 1 Chiltern Street London W1U 7PA. Westminster has handled 18,803 applications of this type and approves 88% of them, typically deciding them in 56 days. It was submitted on 14 August 2026 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 13 listed buildings nearby. There have been 6 other applications at this address. We hold 777 applications in total for the W1U postcode area.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster