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Planning application

28 Dorset Street London W1U 8AR

Granted Westminster 25/06073/FULL Full Planning Permission Application

Works: Extension Windows or glazing Domestic

Read from the description, not a valuation. How we read the register

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

Proposal

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.

As published by the council, reference 25/06073/FULL

Application record

Reference
25/06073/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
26 Aug 2025
Validated
4 Sep 2025
Decided
14 Nov 2025
Ward
Marylebone
Decision by
Delegated Decision
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.

  • 26/00965/ADFULL Awaiting decision

    28 Dorset Street London W1U 8AR

    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)

    Submitted 16 Feb 2026 Full applications
  • 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
  • 25/06072/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. 26 Aug 2025

    Received by Westminster

  2. 4 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 14 Nov 2025

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/00965/ADFULL Awaiting decision

    28 Dorset Street London W1U 8AR

    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)

    Submitted 16 Feb 2026 Full applications

Who's behind it

Company information only, from the register and Companies House

Newmark LLP Agent

921 applications on PlanIndex · across 40 councils · 97% granted

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Documents

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

32 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 documents

What this grant of permission means

Westminster granted permission on 14 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 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

    25/06072/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

  • 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

    26/00965/ADFULL Submitted 16 Feb 2026 50 yards away

    87% historically approved · decision due ~13 Apr

    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)

    Awaiting decision Full applications Windows or glazing 19 docs

  • 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

  • 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

  • 70 Gloucester Place London W1U 8HP

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

    90% historically approved · decision due ~5 Jan

    Waterproofing of underpavement vaults using cavity membrane system.

    Awaiting decision Heritage and listed buildings 8 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 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.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 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)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications