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Planning application

1 Marylebone Street London W1G 8JA

Granted Westminster 25/08142/FULL Full Planning Permission Application

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

Proposal

Installation of an air source heat pump within the external courtyard at rear lower ground floor level.

As published by the council, reference 25/08142/FULL

Application record

Reference
25/08142/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
7 Nov 2025
Validated
7 Nov 2025
Decided
30 Apr 2026
Ward
Marylebone
Decision by
Delegated Decision
Postcode
W1G 8JA

Timeline

Dates from the published record

  1. 7 Nov 2025

    Received by Westminster

  2. 30 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

The Howard De Walden Estate Limited Agent

5 applications on PlanIndex

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Documents

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

19 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 30 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.

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