Planning application
25/08138/ADLBC
Halcyon London International School 33 Seymour Place London W1H 5AP
Proposal
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)
As published by the council, reference 25/08138/ADLBC
Timeline
Dates from the published record
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7 Nov 2025
Received by Westminster
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20 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About conditions applications
How this application type works
This type of application deals with conditions attached to an existing permission, either by supplying the details a condition requires, called discharging it, or by asking to vary or remove one. It does not reopen the principle of the permission itself. Building often cannot lawfully start, or continue past a set stage, until the named conditions are discharged.
Nearby applications
Within 500 metres
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26/03579/ADV Awaiting decision
Halcyon London International School 33 Seymour Place London W1H 5AP
Display of one non illuminated fascia sign measuring 1.25m x 5.5m and one non illuminated projecting sign meauring 5m x 0.75m.
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26/00626/LBC Granted
34 Upper Berkeley Street London W1H 5QE
Installation of replacement internal and external doors and fencing / gate on Stourcliffe Street. (Linked with 26/00625/FULL)
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26/00625/FULL Granted
34 Upper Berkeley Street London W1H 5QE
Installation of replacement external doors and fencing / gate on Stourcliffe Street. (Linked with 26/00626/LBC)
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26/02794/FULL Awaiting decision
10 Wythburn Court Seymour Place London W1H 7NS
The replacement of three rooflights with two lead clad dormers with full height windows and juliet balcony.
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25/05313/ADV Granted
68 Edgware Road London W2 2EG
Display of non illuminated external vinyls measuring 1.405m X 2.445m, 4.125m X 2.87m, 3.725m X 2.87m, 1.89m X 2.395m, 4.28m X 2.875m and 2.785m X 2.875m across the ground floor elevation of the building, including windows facing onto Edgware Road and Upper Berkeley Street from 11 August 2025 to 10 August 2026.
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26/02836/FULL Awaiting decision
Flat 3 Bryanston Court 133 George Street London W1H 7HA
Like-for-like replacement of nine windows.
Other conditions applications
In Westminster
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26/04967/ADLBC Withdrawn
Royal Institute Of British Architects 66 Portland Place London W1B 1AD
Details of installation of services and related fixtures pursuant to condition 8 (partial) of listed building consent dated 10 June 2025 (RN: 25/01205/LBC)
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26/04860/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)
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26/04843/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).
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26/04998/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Detailed drawings of Bathroom and Kitchen details for apartments 01, 02, 08, 09, 10 and 11 and Reflected ceiling plans for Apartment 1 powder room and bathroom, Apartment 2 powder room and bathrooms, Apartment 8 power room and bathroom, Apartment 9 bathrooms, Apartment 10 bathroom and shower room, and Apartment 11 bathrooms pursuant to partial discharge of conditions 6.3 and 6.10 of listed building consent dated 14th March 2023 (RN: 22/05005/LBC).
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26/04992/ADLBC Awaiting decision
17 - 21 South Audley Street London W1K 2NY
Detailed drawings of wall construction to new apartments pursuant to partial discharge of condition 6.2 of listed building consent dated 14th March 2023 (RN: 22/05005/LBC).