Planning application
1 Alderson Street, London, W10 5JY
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Proposed remedial works at Chapter Portobello, 1 Alderson Street: removal of complete render system including all paper faced insulation and subframing, all timber particle sheathing boards including any existing intumescent cavity barriers in the internal courtyard elevations; installation of new cavity barriers, weatherboard, sealant, insulation and replacement render (Certificate of Lawful Proposed Use / Development)
As published by the council, reference CL/25/06645
Application record
- Reference
- CL/25/06645
- Type
- Certificates Lawful Proposed Use or Dev.
- Status
- Decided
- Decision
- Grant Planning Permission/Consent
- Received
- 10 Nov 2025
- Decided
- 2 Apr 2026
- Ward
- Golborne
- Parish
- 09
- Postcode
- W10 5JY
Timeline
Dates from the published record
-
10 Nov 2025
Received by Kensington and Chelsea
-
2 Apr 2026
Decision issued: Grant Planning Permission/Consent
-
20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
29 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 this grant of permission means
Kensington and Chelsea granted permission on 2 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 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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