Planning application
100 Parliament Street London SW1A 2BQ
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Internal alterations
As published by the council, reference 26/00537/LBC
Application record
- Reference
- 26/00537/LBC
- Type
- Listed Building Consent Application
- Status
- Pending
- Received
- 29 Jan 2026
- Validated
- 29 Jan 2026
- 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.
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26/05896/LBC Awaiting decision
100 Parliament Street London SW1A 2BQ
Internal alterations.
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26/03616/LBC Awaiting decision
100 Parliament Street London SW1A 2BQ
Internal alterations to EP2.
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26/03368/LBC Awaiting decision
100 Parliament Street London SW1A 2BQ
Iinternal alterations. (CONFIDENTIAL)
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26/02479/CLLB Awaiting decision
100 Parliament Street London SW1A 2BQ
Internal Alterations.
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25/09178/LBC Awaiting decision
100 Parliament Street London SW1A 2BQ
Listed building consent for internal alterations across EP2. (CONFIDENTIAL)
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25/09141/LBC Awaiting decision
100 Parliament Street London SW1A 2BQ
Listed building consent for internal alterations. (CONFIDENTIAL)
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25/08823/LBC Awaiting decision
100 Parliament Street London SW1A 2BQ
Listed building consent for internal alterations. (CONFIDENTIAL)
-
25/07823/CLLB Granted
100 Parliament Street London SW1A 2BQ
External Repairs
Timeline
Dates from the published record
-
29 Jan 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 26 March 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
6 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.
Trade members open them 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 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
90% historically approved · decision due ~16 Jul
Iinternal alterations. (CONFIDENTIAL)
Awaiting decision Heritage and listed buildings 2 docs -
-
1 Horse Guards Road London SW1A 2HQ
Alterations to stone plaques signage in entrances to GOGGS.
Granted Heritage and listed buildings 5 docs -
1 Horse Guards Road London SW1A 2HQ
Internal alterations
Granted Heritage and listed buildings 6 docs -
1 Horse Guards Road London SW1A 2HQ
Internal alterations.
Granted Heritage and listed buildings 4 docs -
1 Horse Guards Road London SW1A 2HQ
Internal alterations to install doors and access controls on the lower ground floor.
Granted Heritage and listed buildings 6 docs
Other heritage and listed building applications
In Westminster
-
26/06250/LBC Awaiting decision
53 Wimpole Street London W1G 8YH
Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06249/FULL)
-
26/06203/LBC Awaiting decision
106 Blandford Street London W1U 8AG
Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)
-
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.
-
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)
-
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.