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Planning application

28 Dorset Street London W1U 8AR

Awaiting decision Westminster 26/00965/ADFULL Approval of Details (Full PP)

Works: Windows or glazing

Relates to 25/06073/FULL

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Detailed drawings (including elevation and section drawings) of the new windows (including window profiles and glazing bars at 1:10 and 1:5) and front door (at 1:10), double glazing to be slimline in character and metal balconettes (at 1:10) pursuant to condition 4 of planning permission dated 14th November 2025 (RN:25/06073/FULL)

As published by the council, reference 26/00965/ADFULL

Application record

Reference
26/00965/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
16 Feb 2026
Validated
16 Feb 2026
Ward
Marylebone
Postcode
W1U 8AR

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 3 approved, 0 refused.

  • 25/06705/ADFULL Granted

    28 Dorset Street London W1U 8AR

    Detailed drawings including elevation and section drawings of the new front basement area steps pursuant to condition 5 of planning permission dated 22nd May 2024 (RN: 23/07147/FULL)

    Decided 30 Sep 2025 Full applications
  • 25/06073/FULL Granted

    28 Dorset Street London W1U 8AR

    Variation of Condition 1 of planning permission dated 22nd May 2024 (RN:23/07147/FULL) for the Use of office accommodation (Class E) to a single residential dwelling (Class C3) including rebuilding of rear extension at rear lower ground floor level, provision of external plant; and other associated works, all in connection with the land use swap with 1-2 Berkeley Mews (RN:23/07126/FULL), NAMELY; the relocation of the condenser from the rear courtyard to the main roof and removal of the existing front bay window.

    Decided 14 Nov 2025 Full applications
  • 25/06072/NMA Granted

    28 Dorset Street London W1U 8AR

    Amendments to planning permission dated 22nd May 2024 (RN:23/07147/FULL) for Use of office accommodation (Class E) to a single residential dwelling (Class C3) including rebuilding of rear extension at rear lower ground floor level, provision of external plant within rear courtyard; and other associated works, all in connection with the land use swap with 1-2 Berkeley Mews namely, to amend the description of development in so far as it refers to the location of the approved plant.

    Decided 29 Sep 2025 Amendments

Timeline

Dates from the published record

  1. 16 Feb 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 13 April 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 91 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 25/06073/FULL Granted

    28 Dorset Street London W1U 8AR

    Variation of Condition 1 of planning permission dated 22nd May 2024 (RN:23/07147/FULL) for the Use of office accommodation (Class E) to a single residential dwelling (Class C3) including rebuilding of rear extension at rear lower ground floor level, provision of external plant; and other associated works, all in connection with the land use swap with 1-2 Berkeley Mews (RN:23/07126/FULL), NAMELY; the relocation of the condenser from the rear courtyard to the main roof and removal of the existing front bay window.

    Decided 14 Nov 2025 Full applications

Who's behind it

Company information only, from the register and Companies House

Garnett Architecture LLP Agent, an architecture practice registered in London

Active · incorporated 2003 · London

23 applications on PlanIndex · across 2 councils · 94% granted

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

See their track record

Documents

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

19 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

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 119 days. More in our guide to how long planning decisions take.

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

  • 28 Dorset Street London W1U 8AR

    25/06705/ADFULL Submitted 18 Sep 2025 50 yards away

    Detailed drawings including elevation and section drawings of the new front basement area steps pursuant to condition 5 of planning permission dated 22nd May 2024 (RN: 23/07147/FULL)

    Granted Full applications 8 docs

  • 28 Dorset Street London W1U 8AR

    25/06073/FULL Submitted 26 Aug 2025 50 yards away

    Variation of Condition 1 of planning permission dated 22nd May 2024 (RN:23/07147/FULL) for the Use of office accommodation (Class E) to a single residential dwelling (Class C3) including rebuilding of rear extension at rear lower ground floor level, provision of external plant; and other associated works, all in connection with the land use swap with 1-2 Berkeley Mews (RN:23/07126/FULL), NAMELY; the relocation of the condenser from the rear courtyard to the main roof and removal of the existing front bay window.

    Granted Full applications Extension Windows or glazing 32 docs
    Domestic

  • 28 Dorset Street London W1U 8AR

    25/06072/NMA Submitted 26 Aug 2025 50 yards away

    Amendments to planning permission dated 22nd May 2024 (RN:23/07147/FULL) for Use of office accommodation (Class E) to a single residential dwelling (Class C3) including rebuilding of rear extension at rear lower ground floor level, provision of external plant within rear courtyard; and other associated works, all in connection with the land use swap with 1-2 Berkeley Mews namely, to amend the description of development in so far as it refers to the location of the approved plant.

    Granted Amendments Extension 12 docs
    Domestic

  • Flat 2 70 Gloucester Place London W1U 8HP

    25/07932/LBC Submitted 31 Oct 2025 50 yards away

    Internal alterations including refurbishments; replacement of sound insulation within the floor structure; new kitchen and bathroom fittings; electrical and mechanical systems upgraded; and other associated works.

    Refused Heritage and listed buildings 12 docs

  • 70 Gloucester Place London W1U 8HP

    25/08176/LBC Submitted 10 Nov 2025 50 yards away

    Waterproofing of underpavement vaults using a cavity membrane system.

    Granted Heritage and listed buildings 12 docs

  • Flat 4 Second Floor 66 Gloucester Place London W1U 8HW

    25/06554/LBC Submitted 12 Sep 2025 50 yards away

    Internal alterations to the second and third floor duplex property with the inclusion of a new boiler flue penetration to the rear addition.

    Granted Heritage and listed buildings 12 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