Planning application
28 Dorset Street London W1U 8AR
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.
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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)
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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.
-
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.
Timeline
Dates from the published record
-
16 Feb 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
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 66 days over the applications it decided in the last year.
Related applications
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.
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
21 applications on PlanIndex · 100% 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 recordDocuments
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 documentsWhat 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 91 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
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
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 docsDomestic -
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.
Granted Amendments Extension 12 docsDomestic -
Flat 2 70 Gloucester Place London W1U 8HP
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
90% historically approved · decision due ~5 Jan
Waterproofing of underpavement vaults using cavity membrane system.
Awaiting decision Heritage and listed buildings 8 docs -
Flat 4 Second Floor 66 Gloucester Place London W1U 8HW
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
Other full applications
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26/06295/FULL Awaiting decision
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26/06297/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.
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26/06294/FULL Awaiting decision
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Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.
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26/06317/FULL Awaiting decision
124 Hamilton Terrace London NW8 9UT
Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)
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26/06273/FULL Awaiting decision
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