Planning application
27 - 29 Brook Street West End London W1K 4HE
Works: Loft or dormer Windows or glazing
Relates to 25/07865/FULL
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Internal and external works including external refurbishment works to rear facade and internal alterations including installation of new stairs linking ground and lower ground floors along with works to party wall adjacent to 31 Brook Street. Proposed replacement of existing rooflight, new acoustic enclosure at L1 roof, creation of internal WC at ground floor level, amendment to rear door at lower ground level to include a louvre panel, replacement of existing window at L1 with new louvred panels and replacement of pavement lights fronting Brook Street. (Linked with 25/07865/FULL)
As published by the council, reference 25/06767/LBC
Application record
- Reference
- 25/06767/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 19 Sep 2025
- Validated
- 29 Sep 2025
- Decided
- 20 Nov 2025
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1K 4HE
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/07865/FULL Granted
27 - 29 Brook Street West End London W1K 4HE
Alterations at rear first floor roof level comprising the replacement of the existing rooflight and installation of replacement rooftop plant with associated acoustic enclosures, installation of new louvres in the rear elevation of the building at second floor level. (Linked with 25/06767/LBC)
Timeline
Dates from the published record
-
19 Sep 2025
Received by Westminster
-
29 Sep 2025
Validated
Checked as complete and ready for consideration.
-
20 Nov 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
-
25/07865/FULL Granted
27 - 29 Brook Street West End London W1K 4HE
Alterations at rear first floor roof level comprising the replacement of the existing rooflight and installation of replacement rooftop plant with associated acoustic enclosures, installation of new louvres in the rear elevation of the building at second floor level. (Linked with 25/06767/LBC)
1 later application on the register refers to this one:
-
25/07865/FULL Granted
27 - 29 Brook Street West End London W1K 4HE
Alterations at rear first floor roof level comprising the replacement of the existing rooflight and installation of replacement rooftop plant with associated acoustic enclosures, installation of new louvres in the rear elevation of the building at second floor level. (Linked with 25/06767/LBC)
Who's behind it
Company information only, from the register and Companies House
DP9 Ltd Agent
Active · incorporated 2004
2,223 applications on PlanIndex · across 37 councils · 98% granted
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Plans, drawings, consultee responses and the officer's report
44 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 20 November 2025, 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
-
27 - 29 Brook Street West End London W1K 4HE
Alterations at rear first floor roof level comprising the replacement of the existing rooflight and installation of replacement rooftop plant with associated acoustic enclosures, installation of new louvres in the rear elevation of the building at second floor level. (Linked with 25/06767/LBC)
Granted Full applications Loft or dormer 27 docs -
Handels House 25 Brook Street West End London W1K 4HB
90% historically approved · decision due ~1 May
Internal alterations including creation of a niche above the fireplace at second floor level and removal of two doors on first and second floors.
Awaiting decision Heritage and listed buildings 9 docs -
Site At Horse Shoe Yard, White Lion Yard And Lancashire Court London W1S 1EY
93% historically approved · decision due ~3 Jul
Amendments to planning permission dated 4th February 2025 (RN:24/02105/FULL) for External alterations including shopfront alterations and new facade finishes to Nos. 27-29, 31, 35 and 37 Brook Street; and 12-13 and 15-16 Avery Row. At 12-13 Avery Row: change of use of ground floor from commercial (Use Class E) to refuse store (Sui Generis). At 15-16 Avery Row: works include the widening of the arched passageway leading from Avery Row to White Lion Yard. At 27-29 Brook Street: replacement of the rear facade windows at lower ground and ground floor, new fixed planter to the rear facade and new external lighting. At 31 Brook Street: alterations to the pitched roof to create external plant enclosure at fourth floor level; demolition of rear building at lower ground and ground floor levels and the first floor plant enclosure and construction of new building over ground, first and second floor levels with openable elements to the first and second floor glazing for use as a restaurant (Use Class E). Public realm changes to Lancashire Court and White Lion Yard including new paving, installation of stepped access to the western entrance from Brook Street and alterations to landscaping and installation of external lighting. Namely, amendment to the description of development of the original planning permission to reference the new LBC; and supersede a number of plans approved under the original planning permission to capture the updated plans approved under the new LBC.
Awaiting decision Amendments Demolition Windows or glazing 25 docs -
116 - 117 New Bond Street London W1S 1EN
Installation of a new stair and alterations to part of the shopfront within Horse Shoe Yard at the rear of the building.
Granted Full applications Windows or glazing 19 docs -
35 Brook Street Mayfair London W1K 4HQ
Display of an advert on a hoarding.
Granted Advertising 2 docs -
35 Brook Street Mayfair London W1K 4HQ
Installation of six air conditioning units at roof level and the installation of a new door, CCTV camera and an alarm sounder at rear ground floor level.
Granted Full applications 20 docs
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