Planning application
Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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.
As published by the council, reference 25/09294/LBC
Application record
- Reference
- 25/09294/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 23 Dec 2025
- Validated
- 23 Dec 2025
- Decided
- 31 Mar 2026
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1K 6PA
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2025: 1 approved, 0 refused.
-
26/03247/FULL Awaiting decision
Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA
Replacement of existing front elevation sash windows with slimline double-glazed heritage units; replacement of windows and doors in rear modern extension and internal lightwell along with formation of a new window opening. (Linked with 26/03248/LBC)
-
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)
Timeline
Dates from the published record
-
23 Dec 2025
Received by Westminster
-
31 Mar 2026
Decision issued: Application Permitted
-
20 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Echlin Agent, registered in London
Active · incorporated 2015 · London
5 applications on PlanIndex · across 2 councils
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
16 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.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 31 March 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.
About heritage and listed building applications
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.
Nearby applications
Within 0.3 miles
-
Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA
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 -
Basement And Ground Floor Masionette 3 Upper Brook Street London W1K 6PA
88% historically approved · decision due ~23 Jul
Replacement of existing front elevation sash windows with slimline double-glazed heritage units; replacement of windows and doors in rear modern extension and internal lightwell along with formation of a new window opening. (Linked with 26/03248/LBC)
Awaiting decision Full applications Extension Windows or glazing 23 docs -
Development Site At 1 Lees Place, 43 North Audley Street And 22 Grosvenor Square London W1K 6DT
88% 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 docsSmall domestic -
Development Site At 1 Lees Place, 43 North Audley Street And 22 Grosvenor Square London W1K 6DT
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 docsSmall domestic -
2 Shepherd Close London W1K 6EA
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 -
30 Grosvenor Square London W1K 6AN
Installation of permanent external planter boxes at ground floor level on the Upper Brook Street elevation and associated works.
Granted Full applications 22 docs
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Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.