25/08138/ADLBCPlanning Application 25/08138/ADLBC
Conditions application at Halcyon London International School 33 Seymour Place London W1H 5AP, Westminster. View planning documents, track the decision and get email alerts on updates.
Detailed drawings (scaled sections and elevations) of the stained-glass light boxes & fixing details pursuant to condition 3 of listed building dated 3rd February 2025 (RN:24/08169/LBC)
25/08138/ADLBC
Halcyon London International School 33 Seymour Place London W1H 5AP
This is an application to discharge conditions at Halcyon London International School 33 Seymour Place London W1H 5AP. Westminster has handled 3,063 applications of this type and approves 92% of them, typically deciding them in 36 days. It was submitted on 7 November 2025 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 13 listed buildings nearby. There has been 1 other application 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