45 Welbeck Street London W1G 8DZ

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

• 25/05979/LBC Granted

  45 Welbeck Street London W1G 8DZ

  Replacement of windows with slimline double glazing windows and associated works. (Linked to 25/06314/FULL)

  Decided 5 Jun 2026 Heritage and listed buildings

1. 5 Sep 2025

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 31 October 2025, 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.

1 later application on the register refers to this one:

• 25/05979/LBC Granted

  45 Welbeck Street London W1G 8DZ

  Replacement of windows with slimline double glazing windows and associated works. (Linked to 25/06314/FULL)

  Decided 5 Jun 2026 Heritage and listed buildings

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.

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.

• 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

• 45 Welbeck Street London W1G 8DZ

  25/05979/LBC Submitted 21 Aug 2025 50 yards away

  Replacement of windows with slimline double glazing windows and associated works. (Linked to 25/06314/FULL)

  Granted Heritage and listed buildings Windows or glazing 22 docs

• 44 Welbeck Street London W1G 8DY

  25/08129/ADLBC Submitted 5 Nov 2025 50 yards away

  90% historically approved · decision due ~31 Dec

  Details of ventilation grilles pursuant to condition 3. ii) of listed building consent dated 20 December 2024 (RN: 24/07651/LBC). (Linked with 25/08039/ADFULL)

  Awaiting decision Conditions 4 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL 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 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications