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Planning application

27 - 29 Brook Street West End London W1K 4HE

Granted Westminster 25/07865/FULL Full Planning Permission Application

Works: Loft or dormer

Relates to 25/06767/LBC

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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)

As published by the council, reference 25/07865/FULL

Application record

Reference
25/07865/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
30 Oct 2025
Validated
3 Nov 2025
Decided
20 Feb 2026
Ward
West End
Decision by
Delegated Decision
Postcode
W1K 4HE

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 2 approved, 0 refused.

  • 26/05873/ADV Decided

    27 - 29 Brook Street West End London W1K 4HE

    Display of an internally illuminated (letters only) fascia sign measuring 0.2m x 0.687m, and an interally illuminated logo measuring 0.34m in diameter on the transom panel above the entrance doors. Linked with 26/05865/LBC

    Submitted 27 Aug 2026 Advertising
  • 26/05865/LBC Decided

    27 - 29 Brook Street West End London W1K 4HE

    Installation of ground floor signage and refurbishment to the existing timber shopfront; installation of a light above the entrance doors; and other associated works to Brook Street elevation.

    Submitted 26 Aug 2026 Heritage and listed buildings
  • 25/06767/LBC Granted

    27 - 29 Brook Street West End London W1K 4HE

    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)

    Decided 20 Nov 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 30 Oct 2025

    Received by Westminster

  2. 3 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 20 Feb 2026

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/06767/LBC Granted

    27 - 29 Brook Street West End London W1K 4HE

    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)

    Decided 20 Nov 2025 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/06767/LBC Granted

    27 - 29 Brook Street West End London W1K 4HE

    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)

    Decided 20 Nov 2025 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

DP9 Ltd Agent

Active · incorporated 2004

2,655 applications on PlanIndex · across 36 councils · 98% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

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Documents

Plans, drawings, consultee responses and the officer's report

27 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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What this grant of permission means

Westminster granted permission on 20 February 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 full applications

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.

Nearby applications

Within 0.3 miles

  • 27 - 29 Brook Street West End London W1K 4HE

    25/06767/LBC Submitted 19 Sep 2025 50 yards away

    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)

    Granted Heritage and listed buildings Loft or dormer Windows or glazing 44 docs
  • 27 - 29 Brook Street West End London W1K 4HE

    26/05873/ADV Submitted 27 Aug 2026 50 yards away

    82% historically approved · decision due ~22 Oct

    Display of an internally illuminated (letters only) fascia sign measuring 0.2m x 0.687m, and an interally illuminated logo measuring 0.34m in diameter on the transom panel above the entrance doors. Linked with 26/05865/LBC

    Decided Advertising
  • 27 - 29 Brook Street West End London W1K 4HE

    26/05865/LBC Submitted 26 Aug 2026 50 yards away

    90% historically approved · decision due ~21 Oct

    Installation of ground floor signage and refurbishment to the existing timber shopfront; installation of a light above the entrance doors; and other associated works to Brook Street elevation.

    Decided Heritage and listed buildings Windows or glazing
  • Site At Horse Shoe Yard, White Lion Yard And Lancashire Court London W1S 1EY

    26/02073/NMA Submitted 27 Mar 2026 50 yards away

    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
  • Handels House 25 Brook Street West End London W1K 4HB

    26/01465/LBC Submitted 6 Mar 2026 50 yards away

    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
  • 8 Lancashire Court London W1S 1EY

    25/05264/FULL Submitted 28 Jul 2025 50 yards away

    Variation of condition 9 of planning permission dated 2nd October 2024 (RN:24/03288/FULL) for the; Variation of condition 9 of planning permission dated 07 February 2024 (RN: 23/06821/FULL) for the: Use of the building as a private members club (sui generis use) and alterations to the ground floor including the change of some windows to doors. Namely, to increase the capacity of the premises to 326 patrons on a permanent basis.(Application under Section 73 of the Act)

    Granted Full applications Windows or glazing 23 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications