25/06754/FULLPlanning Application 25/06754/FULL
Full application at 22 Seymour Place London W1H 7NJ, Westminster. View planning documents, track the decision and get email alerts on updates.
Retention of the existing extract duct with brick cladding and associated fans, and duct attenuation, along with the installation of three AC units within an acoustic enclosure at the rear ground-floor roof level.
25/06754/FULL
22 Seymour Place London W1H 7NJ
This is a full planning application at 22 Seymour Place London W1H 7NJ. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 19 September 2025 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 15 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 221 applications across Marylebone. We hold 686 applications in total for the W1H postcode area.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster