Planning application
1 Welbeck Street London W1G 0AR
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of an extension at sixth floor of 1-2 Welbeck and associated works.
As published by the council, reference 26/02876/FULL
Application record
- Reference
- 26/02876/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 30 Apr 2026
- Validated
- 30 Apr 2026
- Ward
- West End
- Postcode
- W1G 0AR
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2026.
-
26/05561/FULL Awaiting decision
1 Welbeck Street London W1G 0AR
Installation of ventilation ductwork, intake ducts and louvres. (Land To The Rear Of 1-2 Welbeck Street)
-
26/03198/ADFULL Awaiting decision
1 Welbeck Street London W1G 0AR
Detailed drawings; of fully finished 0.5sqm sample of the cladding, including jointing / seams and detailed elevations and sections at a scale of 1:20 of the external profile of the new extension, including abutments with the existing building and external rainwater goods pursuant to Condition 4 of planning permission dated 13th May 2025 (RN:25/01757/FULL)
-
26/03202/ADLBC Awaiting decision
1 Welbeck Street London W1G 0AR
Details of cladding sample / external profile of new extension pursuant to condition 2 of listed building consent dated 13 May 2025 (RN: 25/01758/LBC)
Timeline
Dates from the published record
-
30 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 25 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 66 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
21 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
1 Welbeck Street London W1G 0AA
Alterations to the existing building including new air handling units on level 4, ductwork within the void of the building, exhaust louvre discharging to Wimpole Street, installation of CCTV and installation of replacement entrance door to the Welbeck Street frontage. cameras.
Granted Full applications 25 docs -
Ladbroke Apartments 3 Welbeck Street London W1G 0AR
Installation of brass handrails to the front entrance.
Granted Full applications 17 docs -
Ladbroke Apartments 3 Welbeck Street London W1G 0AR
Installation of brass handrails to the front entrance.
Granted Heritage and listed buildings 17 docs -
Ladbroke Apartments 3 Welbeck Street London W1G 0AR
87% historically approved · decision due ~11 Dec
Amalgamation of a 2-bedroom apartment (Apartment 10) and a 1-bedroom apartment (Apartment 11) to create 1no. 3-bedroom apartment; and other associated works. Linked with 25/07060/LBC
Awaiting decision Full applications 40 docs -
Ladbroke Apartments 3 Welbeck Street London W1G 0AR
90% historically approved · decision due ~11 Dec
Amalgamation of a 2-bedroom apartment (Apartment 10) and a 1-bedroom apartment (Apartment 11) to create 1no. 3-bedroom apartment; and other associated works. Linked with 25/07059/FULL
Awaiting decision Heritage and listed buildings 38 docs -
33 Wigmore Street London W1U 1QX
Installation of a louvre on the external elevation and an external duct to the existing level 6 terrace.
Granted Heritage and listed buildings 17 docs
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Installation of new natural Portland Stone step surfaces to the two highway facing front entrance doors. (Linked to 26/05473/LBC)
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Hospital 60 Grove End Road London NW8 9NH
Variation of conditions 1 and removal of condition 6 of planning permission dated 12th November 2019 (RN 19/07202/FULL) for the Variation of condition 12 of planning permission dated 21 June 2013 (RN: 13/01330/FULL) for the: Demolition of single storey block to north east elevation of main hospital building. Erection of three storey building (plus basement level) with link to existing hospital fronting onto Grove End Road and erection of two storey extension to the main entrance building, both to provide additional hospital accommodation (Class D1). Installation of mechanical plant and associated external alterations. NAMELY, to include amended phase 2 drawings and condition 6 to be removed as the as approved 11 car parking space are no longer proposed and the car lift is no longer shown on the amended plans.