Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA

This site has had 3 applications since 2025: 1 approved, 0 refused.

• 26/03248/LBC Awaiting decision

  Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA

  Replacement of existing front elevaiton sash windows with slimline double-glazed heritage units together with minor repair and redecoration of existing facade and existing front doors; replacement of windows and doors in rear modern extension and internal lightwell along with formation of a new window opening. (Linked with 26/03247/FULL)

  Submitted 18 May 2026 Heritage and listed buildings
• 25/09294/LBC Granted

  Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA

  Replacement and reconfiguration of modern partitions at ground and lower ground floor level, along with the replacement of modern bathroom and kitchen fittings and finishes.

  Decided 31 Mar 2026 Heritage and listed buildings

1. 18 May 2026

   Received by Westminster

2. 28 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 23 July 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 65 days over the applications it decided in the last year.

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 Masionette 3 Upper Brook Street London W1K 6PA

  25/09294/LBC Submitted 23 Dec 2025 50 yards away

  Replacement and reconfiguration of modern partitions at ground and lower ground floor level, along with the replacement of modern bathroom and kitchen fittings and finishes.

  Granted Heritage and listed buildings 16 docs

• Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA

  26/03248/LBC Submitted 18 May 2026 50 yards away

  90% historically approved · decision due ~23 Jul

  Replacement of existing front elevaiton sash windows with slimline double-glazed heritage units together with minor repair and redecoration of existing facade and existing front doors; replacement of windows and doors in rear modern extension and internal lightwell along with formation of a new window opening. (Linked with 26/03247/FULL)

  Awaiting decision Heritage and listed buildings Extension Windows or glazing 1 doc

• Development Site At 1 Lees Place, 43 North Audley Street And 22 Grosvenor Square London W1K 6DT

  26/02508/FULL Submitted 16 Apr 2026 50 yards away

  87% historically approved · decision due ~15 Jun

  Installation of a single-storey retail pod to the front of the building, fronting North Audley Street, for a temporary period from 1 September 2026 to 31 March 2027. (Linked with 26/02509/LBC)

  Awaiting decision Full applications 16 docs
  Small domestic

• Development Site At 1 Lees Place, 43 North Audley Street And 22 Grosvenor Square London W1K 6DT

  26/02509/LBC Submitted 16 Apr 2026 50 yards away

  90% historically approved · decision due ~15 Jun

  Installation of a single-storey retail pod to the front of the building, fronting North Audley Street, for a temporary period from 1 September 2026 to 31 March 2027. (Linked with 26/02508/FULL)

  Awaiting decision Heritage and listed buildings 6 docs
  Small domestic

• 30 Grosvenor Square London W1K 6AN

  25/09270/FULL Submitted 22 Dec 2025 50 yards away

  Installation of permanent external planter boxes at ground floor level on the Upper Brook Street elevation and associated works.

  Granted Full applications 22 docs

• 2 Shepherd Close London W1K 6EA

  22/04380/NMA Submitted 1 Jul 2022 50 yards away

  Amendments to planning permission dated 23 June 2022 (RN:22/02527/FULL) for Enlargement of existing front lightwell, addition of rooflight over main staircase, relocation of lower ground floor door on the rear elevation, addition of lead capped entrance canopy at lower ground level, replacement lead roofing on rear outbuilding, alterations to fenestration openings at lower ground level, replacement fenestrations, and other associated works. NAMELY; revisions to window openings at front lower ground floor level and addition of air bricks.

  Granted Amendments Loft or dormer Windows or glazing 11 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  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 repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06287/FULL Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06288/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06278/FULL Awaiting decision

  40 Wellington Road London NW8 9TJ

  Installation of a new external access ramp/slope to provide accessibility to the Barclays bank ATM.

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06269/FULL Awaiting decision

  Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

  Amalgamation of existing lower ground and ground floor maisonette with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06270/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications