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Planning application

4A Belgrave Mews West London SW1X 8HT

Refused Westminster 25/05632/CLOPUD Certificate of Lawfulness (proposed)

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Installation of an air source heat pump at roof level.

As published by the council, reference 25/05632/CLOPUD

Application record

Reference
25/05632/CLOPUD
Type
Certificate of Lawfulness (proposed)
Status
Decided
Decision
Refused As published: Application Refused
Received
12 Aug 2025
Validated
1 Oct 2025
Decided
30 Apr 2026
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
Postcode
SW1X 8HT

Timeline

Dates from the published record

  1. 12 Aug 2025

    Received by Westminster

  2. 1 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 30 Apr 2026

    Decision issued: Application Refused

  4. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Alexander Martin Architects Limited Agent, an architecture practice registered in London

Active · incorporated 2013 · London

6 applications on PlanIndex · across 2 councils

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Documents

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

13 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 refusal means

Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

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