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Planning application

35 Northumberland Place London W2 5AS

Granted Westminster 25/09198/FULL Full Planning Permission Application

Works: Extension Loft or dormer

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

Proposal

Erection of mansard roof extension. Alterations to front boundary and associated alterations.

As published by the council, reference 25/09198/FULL

Application record

Reference
25/09198/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
19 Dec 2025
Validated
19 Dec 2025
Decided
17 Apr 2026
Ward
Bayswater
Decision by
Delegated Decision
Postcode
W2 5AS

Timeline

Dates from the published record

  1. 19 Dec 2025

    Received by Westminster

  2. 17 Apr 2026

    Decision issued: Application Permitted

  3. 20 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Andrew Pilkington Architect & Designers Agent, an architecture practice

2 applications on PlanIndex · across 2 councils

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Documents

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

17 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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What this grant of permission means

Westminster granted permission on 17 April 2026, 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

  • 36 Northumberland Place London W2 5AS

    22/02978/FULL Submitted 4 May 2022 50 yards away

    Demolition of existing rear conservatory and erection of infill extension at lower ground and ground floor levels, formation of new windows to rear, excavation to lower level of lower ground floor and garden, and associated external alterations.

    Refused Full applications Extension Demolition +1 13 docs

  • 25A Sutherland Place London W2 5BZ

    25/04569/LBC Submitted 3 Jul 2025 50 yards away

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  • 25A Sutherland Place London W2 5BZ

    25/04568/FULL Submitted 3 Jul 2025 50 yards away

    Replacement of two windows within front basement vault area with spring-balanced, double glazed timber sash windows. (Linked with 25/04569/LBC)

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  • 39 Sutherland Place London W2 5BZ

    26/06449/CLEUD Submitted 21 Sep 2026 50 yards away

    84% historically approved · decision due ~16 Nov

    Confirmation that the planning permission dated 29 March 2016 (Ref 15/10383/FULL) for Excavation to lower the level of the existing lower ground floor slab and rear garden, erection of rear three storey closet wing and two storey glazed infill extension, erection of mansard roof, and alterations within front garden including excavation to provide a bin store and to extend vault. All works in association with the use of the building as a single family dwelling house was implemented by the carrying out of material operations prior to the expiration of the planning permission.

    Awaiting decision Lawful development Extension Loft or dormer +1
    Domestic

  • 46 Northumberland Place London W2 5AS

    26/01557/FULL Submitted 10 Mar 2026 50 yards away

    88% historically approved · decision due ~5 May

    Rear lower ground floor infill extension with associated landscape works to front and rear alongside internal reconfiguration.

    Awaiting decision Full applications Extension 29 docs

  • 54 Northumberland Place London W2 5AS

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    100% historically approved · decision due ~10 Aug

    1 x silver birch (front): 15% crown reduction; shorten branches by maximum of 1m. 15% crown thin.

    Decided Trees

In Westminster

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