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Planning application

133 - 135 Regent Street London W1B 4HX

Awaiting decision Westminster 25/08233/FULL Full Planning Permission Application

Relates to 25/08234/LBC

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

Proposal

Installation of an outdoor heat recovery unit and three heat pumps within the allocated louvered plant space at second floor level. (Linked to 25/08234/LBC)

As published by the council, reference 25/08233/FULL

Application record

Reference
25/08233/FULL
Type
Full Planning Permission Application
Status
Pending
Received
11 Nov 2025
Validated
11 Nov 2025
Ward
West End
Postcode
W1B 4HX

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 0 approved, 2 refused.

  • 26/00519/LBC Awaiting decision

    133 - 135 Regent Street London W1B 4HX

    Retrospective application for replacement of ventilation grille at ground floor level; facade cleaning; installation of automated window and door opening mechanisms; terrazzo repair and cleaning; installation of fire lining; internal replastering; reinstatement of window architraves and associated works. [Linked to 26/00518/FULL]

    Submitted 29 Jan 2026 Heritage and listed buildings
  • 26/00518/FULL Awaiting decision

    133 - 135 Regent Street London W1B 4HX

    Retrospective application for replacement of ventilation grille at ground floor level. [Linked to 26/00519/LBC]

    Submitted 29 Jan 2026 Full applications
  • 25/08234/LBC Awaiting decision

    133 - 135 Regent Street London W1B 4HX

    Installation of an outdoor heat recovery unit and three heat pumps within the allocated louvered plant space at second floor level. (Linked to 25/08233/FULL)

    Submitted 11 Nov 2025 Heritage and listed buildings
  • 25/06440/LBC Refused

    133 - 135 Regent Street London W1B 4HX

    Installation of temporary graphics to ground and first floor windows during fit-out works. From October 2025 Until April 2026 The proposal is linked to the Planning Approval (Listed Building and Conservation Areas) Consent for works (Conditional): Application No: 24/06997/LBC; Date Received: 07.10.2024 Date Amended: 07.10.2024.

    Decided 10 Nov 2025 Heritage and listed buildings
  • 25/06448/ADV Refused

    133 - 135 Regent Street London W1B 4HX

    Display of non illuminated vinyl graphics measuring 3.7m X 3.6m at ground and first floor from from 12th October 2025 until 30th April 2026.

    Decided 6 Nov 2025 Advertising

Timeline

Dates from the published record

  1. 11 Nov 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 6 January 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.

Cases linked to this one on the register

  • 25/08234/LBC Awaiting decision

    133 - 135 Regent Street London W1B 4HX

    Installation of an outdoor heat recovery unit and three heat pumps within the allocated louvered plant space at second floor level. (Linked to 25/08233/FULL)

    Submitted 11 Nov 2025 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/08234/LBC Awaiting decision

    133 - 135 Regent Street London W1B 4HX

    Installation of an outdoor heat recovery unit and three heat pumps within the allocated louvered plant space at second floor level. (Linked to 25/08233/FULL)

    Submitted 11 Nov 2025 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

ADMERLIN DESIGN STUDIO Agent, a design practice

14 applications on PlanIndex · across 3 councils · 64% 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

20 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 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

  • 133 - 135 Regent Street London W1B 4HX

    25/08234/LBC Submitted 11 Nov 2025 50 yards away

    90% historically approved · decision due ~6 Jan

    Installation of an outdoor heat recovery unit and three heat pumps within the allocated louvered plant space at second floor level. (Linked to 25/08233/FULL)

    Awaiting decision Heritage and listed buildings 20 docs

  • 133 - 135 Regent Street London W1B 4HX

    25/06448/ADV Submitted 9 Sep 2025 50 yards away

    Display of non illuminated vinyl graphics measuring 3.7m X 3.6m at ground and first floor from from 12th October 2025 until 30th April 2026.

    Refused Advertising 15 docs

  • 133 - 135 Regent Street London W1B 4HX

    26/00519/LBC Submitted 29 Jan 2026 50 yards away

    90% historically approved · decision due ~26 Mar

    Retrospective application for replacement of ventilation grille at ground floor level; facade cleaning; installation of automated window and door opening mechanisms; terrazzo repair and cleaning; installation of fire lining; internal replastering; reinstatement of window architraves and associated works. [Linked to 26/00518/FULL]

    Awaiting decision Heritage and listed buildings Windows or glazing 27 docs

  • 133 - 135 Regent Street London W1B 4HX

    26/00518/FULL Submitted 29 Jan 2026 50 yards away

    87% historically approved · decision due ~26 Mar

    Retrospective application for replacement of ventilation grille at ground floor level. [Linked to 26/00519/LBC]

    Awaiting decision Full applications 29 docs

  • 133 - 135 Regent Street London W1B 4HX

    25/06440/LBC Submitted 9 Sep 2025 50 yards away

    Installation of temporary graphics to ground and first floor windows during fit-out works. From October 2025 Until April 2026 The proposal is linked to the Planning Approval (Listed Building and Conservation Areas) Consent for works (Conditional): Application No: 24/06997/LBC; Date Received: 07.10.2024 Date Amended: 07.10.2024.

    Refused Heritage and listed buildings Windows or glazing 17 docs

  • 137 - 139 Regent Street London W1B 4HZ

    07/05481/FULL Submitted 25 Jun 2007 50 yards away

    Installation of new shopfront.

    Granted Full applications Windows or glazing 9 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