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Planning application

100 Parliament Street London SW1A 2BQ

Awaiting decision Westminster 25/09141/LBC Listed Building Consent Application

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

Proposal

Listed building consent for internal alterations. (CONFIDENTIAL)

As published by the council, reference 25/09141/LBC

Application record

Reference
25/09141/LBC
Type
Listed Building Consent Application
Status
Pending
Received
17 Dec 2025
Validated
Date not published
Ward
St James's
Postcode
SW1A 2BQ

Site history

Applications at this address on the Westminster register

This site has had 9 applications since 2025: 1 approved, 0 refused.

  • 26/05896/LBC Awaiting decision

    100 Parliament Street London SW1A 2BQ

    Internal alterations.

    Submitted 27 Aug 2026 Heritage and listed buildings
  • 26/03616/LBC Awaiting decision

    100 Parliament Street London SW1A 2BQ

    Internal alterations to EP2.

    Submitted 2 Jun 2026 Heritage and listed buildings
  • 26/03368/LBC Awaiting decision

    100 Parliament Street London SW1A 2BQ

    Iinternal alterations. (CONFIDENTIAL)

    Submitted 21 May 2026 Heritage and listed buildings
  • 26/02479/CLLB Awaiting decision

    100 Parliament Street London SW1A 2BQ

    Internal Alterations.

    Submitted 14 Apr 2026
  • 26/00537/LBC Awaiting decision

    100 Parliament Street London SW1A 2BQ

    Internal alterations

    Submitted 29 Jan 2026 Heritage and listed buildings
  • 25/09178/LBC Awaiting decision

    100 Parliament Street London SW1A 2BQ

    Listed building consent for internal alterations across EP2. (CONFIDENTIAL)

    Submitted 18 Dec 2025 Heritage and listed buildings
  • 25/08823/LBC Awaiting decision

    100 Parliament Street London SW1A 2BQ

    Listed building consent for internal alterations. (CONFIDENTIAL)

    Submitted 4 Dec 2025 Heritage and listed buildings
  • 25/07823/CLLB Granted

    100 Parliament Street London SW1A 2BQ

    External Repairs

    Decided 5 Nov 2025

Timeline

Dates from the published record

  1. 17 Dec 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 11 February 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 64 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Feilden+Mawson Group Ltd Agent, registered in Norwich

Active · incorporated 2025 · Norwich

15 applications on PlanIndex · across 2 councils

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

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 heritage and listed building applications in a median of 93 days. More in our guide to how long planning decisions take.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 100 Parliament Street London SW1A 2BQ

    25/09178/LBC Submitted 18 Dec 2025 1m away

    90% historically approved · decision due ~12 Feb

    Listed building consent for internal alterations across EP2. (CONFIDENTIAL)

    Awaiting decision Heritage and listed buildings

  • 1 Horse Guards Road London SW1A 2HQ

    25/09098/LBC Submitted 16 Dec 2025 2m away

    Listed building consent for internal alterations across EP1.

    Granted Heritage and listed buildings 1 doc

  • 1 Horse Guards Road London SW1A 2HQ

    26/02790/LBC Submitted 27 Apr 2026 2m away

    90% historically approved · decision due ~22 Jun

    Internal alterations.

    Awaiting decision Heritage and listed buildings

  • 100 Parliament Street London SW1A 2BQ

    25/08823/LBC Submitted 4 Dec 2025 3m away

    90% historically approved · decision due ~29 Jan

    Listed building consent for internal alterations. (CONFIDENTIAL)

    Awaiting decision Heritage and listed buildings

  • 100 Parliament Street London SW1A 2BQ

    26/03368/LBC Submitted 21 May 2026 20m away

    90% historically approved · decision due ~16 Jul

    Iinternal alterations. (CONFIDENTIAL)

    Awaiting decision Heritage and listed buildings 2 docs

  • 100 Parliament Street London SW1A 2BQ

    26/00537/LBC Submitted 29 Jan 2026 27m away

    90% historically approved · decision due ~26 Mar

    Internal alterations

    Awaiting decision Heritage and listed buildings 6 docs

In Westminster

  • 26/06203/LBC Awaiting decision

    106 Blandford Street London W1U 8AG

    Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)

    10 Sep 2026 Heritage and listed buildings
  • 26/06187/LBC Awaiting decision

    4 Shepherd Market London W1J 7QB

    Installation of wall mounted highway street light on to the facade of 4 Shepherd Market.

    10 Sep 2026 Heritage and listed buildings
  • 26/06176/LBC Awaiting decision

    46 Gloucester Place London W1U 8HG

    Installation of 1,100 mm high protective railings along the existing roof-level access walkway. (Linked to 26/06178/FULL)

    9 Sep 2026 Heritage and listed buildings
  • 26/06165/LBC Awaiting decision

    17 Hertford Street London W1J 7RS

    Internal alterations to the basement including new lightweight timber-stud partitions to reorganise the existing basement layout; Installation of new sanitaryware in a newly configured bathroom; Replacement of modern kitchen fittings; and Installation of traditional four-panel timber doors, architraves and ironmongery designed to match existing doors.

    9 Sep 2026 Heritage and listed buildings
  • 26/06150/LBC Awaiting decision

    37 Crawford Street London W1H 1HA

    Use of the First, Second and Third Floors as residential units (Class C3) with Office (or other Use Class E) Use retained at Basement and Ground Floor Levels. (Linked with 26/06149/FULL)

    9 Sep 2026 Heritage and listed buildings