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Planning application

19 Sycamore Mews London SW4 0SY

Refused Lambeth 25/02654/LDCP Certificate of Lawful Use proposed

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Application for a Certificate of Lawful Development (Proposed) with respect to the replacement of a rear dormer window with French doors incorporating a Juliet balcony, the replacement of roof lights to the ground floor rear extension and to the main roof, together with the installation of the heat pump to the flat roof of the ground floor rear extension for heating/cooling.

As published by the council, reference 25/02654/LDCP

Application record

Reference
25/02654/LDCP
Type
Certificate of Lawful Use proposed
Status
Decided
Decision
Refuse Permission
Received
19 Aug 2025
Validated
29 Aug 2025
Decided
22 Oct 2025
Ward
Clapham Town
Decision by
Delegated Decision
Postcode
SW4 0SY

Timeline

Dates from the published record

  1. 19 Aug 2025

    Received by Lambeth

  2. 29 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 22 Oct 2025

    Decision issued: Refuse Permission

  4. 11 Aug 2026

    Added to PlanIndex

Documents

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

23 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

Lambeth 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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