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Planning application

26 Upper Montagu Street London W1H 1RP

Awaiting decision Westminster 25/08746/FULL Full Planning Permission Application

Works: Extension

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

Proposal

Erection of a two storey rear extension and internal reconfiguration of HMO.

As published by the council, reference 25/08746/FULL

Application record

Reference
25/08746/FULL
Type
Full Planning Permission Application
Status
Pending
Received
1 Dec 2025
Validated
1 Dec 2025
Ward
Marylebone
Postcode
W1H 1RP

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025.

  • 26/03214/FULL Awaiting decision

    26 Upper Montagu Street London W1H 1RP

    Erection of a one and a half storey rear extension tp enlarge HMO, installation of replacement windows and installation of balcony railings.

    Submitted 15 May 2026 Full applications

Timeline

Dates from the published record

  1. 1 Dec 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 26 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.

Who's behind it

Company information only, from the register and Companies House

Logic Planning Agent, a planning consultancy registered in London

Active · incorporated 2014 · London

38 applications on PlanIndex · across 16 councils · 67% 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

18 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

  • 26 Upper Montagu Street London W1H 1RP

    26/03214/FULL Submitted 15 May 2026 50 yards away

    87% historically approved · decision due ~10 Jul

    Erection of a one and a half storey rear extension tp enlarge HMO, installation of replacement windows and installation of balcony railings.

    Awaiting decision Full applications Extension Windows or glazing 12 docs

  • 25 Upper Montagu Street London W1H 1SA

    25/07358/FULL Submitted 10 Oct 2025 50 yards away

    87% historically approved · decision due ~6 Jan

    Replacement of existing external staircase within front lightwell. (Linked to 25/08299/LBC)

    Awaiting decision Full applications 7 docs

  • 25 Upper Montagu Street London W1H 1SA

    25/08299/LBC Submitted 11 Nov 2025 50 yards away

    90% historically approved · decision due ~6 Jan

    Replacement of existing external staircase within front lightwell. (Linked to 25/07358/FULL)

    Awaiting decision Heritage and listed buildings 3 docs

  • 40 Upper Montagu Street London W1H 1RP

    09/07665/LBC Submitted 23 Sep 2009 50 yards away

    Alterations to front elevation and internal works at ground floor level.

    Granted Heritage and listed buildings 2 docs

  • 21 Upper Montagu Street London W1H 2PQ

    25/08056/LBC Submitted 5 Nov 2025 50 yards away

    90% historically approved · decision due ~31 Dec

    Replacement of existing non-original single-glazed timber sash windows with new slimline double-glazed timber sash windows to match the original in appearance, detailing and materials. (Linked to 25/08055/FULL)

    Awaiting decision Heritage and listed buildings Windows or glazing 16 docs

  • 21 Upper Montagu Street London W1H 2PQ

    25/08055/FULL Submitted 5 Nov 2025 50 yards away

    87% historically approved · decision due ~31 Dec

    Replacement of single-glazed timber sash windows with slimline double-glazed timber sash windows to match the original in appearance, detailing and materials. (Linked to 25/08056/LBC)

    Awaiting decision Full applications Windows or glazing 16 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 repolacement 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
  • 26/06287/FULL Awaiting decision

    Barness Court 6 - 8 Westbourne Terrace London W2 3UW

    Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06288/LBC)

    Received 14 Sep, published by the council 21 Sep 2026 Full applications
  • 26/06278/FULL Awaiting decision

    40 Wellington Road London NW8 9TJ

    Installation of a new external access ramp/slope to provide accessibility to the Barclays bank ATM.

    Received 14 Sep, published by the council 21 Sep 2026 Full applications