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Planning application

33 Wigmore Street London W1U 1QX

Decided Westminster 26/03827/FULL Full applications

Works: Extension

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Installation of a new air handling unit on the roof and extension of the existing acoustic plant screen.

As published by the council, reference 26/03827/FULL

Application record

Reference
26/03827/FULL
Category
Full applications
Status
Decided
Received
11 Jun 2026
Validated
11 Jun 2026
Postcode
W1U 1QX

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 2 approved, 0 refused.

  • 26/03828/LBC Decided

    33 Wigmore Street London W1U 1QX

    Installation of new air handling unit on the roof and extension of the existing acoustic plant screen; internal alterations.

    Submitted 11 Jun 2026 Heritage and listed buildings
  • 25/06280/LBC Granted

    33 Wigmore Street London W1U 1QX

    Installation of a louvre on the external elevation and an external duct to the existing level 6 terrace.

    Decided 7 Nov 2025 Heritage and listed buildings
  • 25/06279/FULL Granted

    33 Wigmore Street London W1U 1QX

    Installation of a louvre on the external elevation and an external duct to the existing level 6 terrace.

    Decided 7 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 11 Jun 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. 9 Aug 2026

    Status changed to Decided

    Previously Pending.

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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

  • 33 Wigmore Street London W1U 1QX

    26/03828/LBC Submitted 11 Jun 2026 50 yards away

    90% historically approved · decision due ~6 Aug

    Installation of new air handling unit on the roof and extension of the existing acoustic plant screen; internal alterations.

    Decided Heritage and listed buildings Extension
  • 1 Welbeck Street London W1G 0AR

    26/07296/FULL Submitted 26 Oct 2026 50 yards away

    88% historically approved · decision due ~21 Dec

    Installation of air handling units at roof level and ventilation ductwork to the rear facade.

    Awaiting decision Full applications
  • 1 Welbeck Street London W1G 0AR

    26/05561/FULL Submitted 14 Aug 2026 50 yards away

    88% historically approved · decision due ~9 Oct

    Installation of ventilation ductwork, intake ducts and louvres. (Land To The Rear Of 1-2 Welbeck Street)

    Decided Full applications
  • 35 Wigmore Street London W1U 1PW

    25/07977/ADV Submitted 3 Nov 2025 50 yards away

    Display of two non-illuminated projecting signs each measuring 0.765m x 0.765m, a non-illuminated vinyl logo on the inner face of the shop window measuring 0.739m x 0.9m, and two non-illuminated vinyl signs (opening hours) on the inner face of the shop window each measuring 0.42m x 0.297m.

    Decided Advertising Windows or glazing 9 docs
  • 1 Welbeck Street London W1G 0AR

    26/03198/ADFULL Submitted 14 May 2026 50 yards away

    88% historically approved · decision due ~9 Jul

    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)

    Awaiting decision Full applications Extension 15 docs
  • 1 Welbeck Street London W1G 0AR

    26/03202/ADLBC Submitted 14 May 2026 50 yards away

    89% historically approved · decision due ~9 Jul

    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)

    Awaiting decision Conditions Extension 16 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications