45 Welbeck Street London W1G 8DZ

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 25/06314/FULL Awaiting decision

  45 Welbeck Street London W1G 8DZ

  Replacement of windows with slimline double glazing windows and associated works.

  Submitted 5 Sep 2025 Full applications

1. 21 Aug 2025

   Received by Westminster

2. 5 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 5 Jun 2026

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

• 25/06314/FULL Awaiting decision

  45 Welbeck Street London W1G 8DZ

  Replacement of windows with slimline double glazing windows and associated works.

  Submitted 5 Sep 2025 Full applications

Westminster granted permission on 5 June 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 45 Welbeck Street London W1G 8DZ

  25/06314/FULL Submitted 5 Sep 2025 50 yards away

  87% historically approved · decision due ~31 Oct

  Replacement of windows with slimline double glazing windows and associated works.

  Awaiting decision Full applications Windows or glazing 13 docs

• Basement And Ground Floor 45 Welbeck Street London W1G 8DZ

  25/08566/FULL Submitted 24 Nov 2025 50 yards away

  87% historically approved · decision due ~19 Jan

  Installation of terrace, roof light, walk-on glazed surface, external spiral access stair, guarding rails, planter and privacy screen, to rear yard infill extension roof area, and installation of 3 external doors and an alteration to an existing external door within the rear lightwell at lower ground floor level. (Linked to 25/08567/LBC)

  Awaiting decision Full applications Extension Loft or dormer +1 27 docs

• Basement And Ground Floor 45 Welbeck Street London W1G 8DZ

  25/08567/LBC Submitted 24 Nov 2025 50 yards away

  90% historically approved · decision due ~19 Jan

  Installation of terrace, roof light, walk-on glazed surface, external spiral access stair, guarding rails, planter and privacy screen, to rear yard infill extension roof area, and installation of 3 external doors and an alteration to an existing external door within the rear lightwell at lower ground floor level. (Linked to 25/08566/FULL)

  Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 24 docs

• Basement And Ground Floor 45 Welbeck Street London W1G 8DZ

  25/01595/ADLBC Submitted 10 Mar 2025 50 yards away

  90% historically approved · decision due ~5 May

  Details of any lath and plaster ceiling and cornices and method statement pursuant to Condition 6 (A and B) of Listed Building Consent dated 28 February 2025 (RN25/00197/LBC)

  Awaiting decision Conditions 8 docs

• Basement And Ground Floor 45 Welbeck Street London W1G 8DZ

  25/00045/ADLBC Submitted 6 Jan 2025 50 yards away

  90% historically approved · decision due ~3 Mar

  Details of elevations or sections of the proposed partition and door across the stair landing at rear ground floor level in the context of retained fabric pursuant to Condition 5 of listed building dated 26th September 2023 (RN:23/02384/LBC)

  Awaiting decision Conditions 6 docs

• 44 Welbeck Street London W1G 8DY

  25/08813/LBC Submitted 4 Dec 2025 50 yards away

  Installation of fire lobby at ground floor level.

  Granted Heritage and listed buildings 11 docs

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings