Planning application
1 Carlton House Terrace London SW1Y 5AF
Works: Extension Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Variation of condition 1 of planning permission dated 28 April 2021 (RN: 21/01191/FULL) which itself varied condition 1 of planning permission dated 28 August 2020 (RN: 20/04449/FULL) which itself varied condition 1 of planning permission dated 09 April 2020 (RN: 20/00755/FULL) for use of the building as a single residential dwelling (Class C3) with associated internal and external alterations including erection of a sun room with terrace at roof level, partial infill of rear lightwell at basement level and car port enclosure. NAMELY, to remove the list of approved drawings from the operative part of the decision notice of RN: 21/01191/FULL and to insert them within Condition 1.
As published by the council, reference 25/05079/NMA
Application record
- Reference
- 25/05079/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 22 Jul 2025
- Validated
- 22 Jul 2025
- Decided
- 4 Sep 2025
- Ward
- St James's
- Decision by
- Delegated Decision
- Postcode
- SW1Y 5AF
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2025: 1 approved, 0 refused.
-
26/06813/ADLBC Withdrawn
1 Carlton House Terrace London SW1Y 5AF
Details of fixings for the lift mechanism pursuant to discharge of condition 4 of listed building consent dated 28th April 2021 (21/01154/LBC)
-
26/06814/ADLBC Awaiting decision
1 Carlton House Terrace London SW1Y 5AF
Details of fixings for the lift mechanism pursuant to discharge of condition 5 (part i) of listed building consent dated 4th August 2026 (RN: 25/04929/LBC).
-
26/06575/ADLBC Withdrawn
1 Carlton House Terrace London SW1Y 5AF
Details of the fixings into historic fabric at 1:10 or 1:5 for the proposed trellis and mirrors at the internal lightwell pursuant to discharge of condition 8 of listed building consent dated 12th March 2025 (RN: 25/00124/LBC).
Timeline
Dates from the published record
-
22 Jul 2025
Received by Westminster
-
4 Sep 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Blake Morgan LLP Agent, registered in Eastleigh
Active · incorporated 2014 · Eastleigh
8 applications on PlanIndex · across 5 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 4 September 2025, 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
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1 Carlton House Terrace London SW1Y 5AF
89% historically approved · decision due ~1 Dec
Details of fixings for the lift mechanism pursuant to discharge of condition 4 of listed building consent dated 28th April 2021 (21/01154/LBC)
Withdrawn -
1 Carlton House Terrace London SW1Y 5AF
89% historically approved · decision due ~1 Dec
Details of fixings for the lift mechanism pursuant to discharge of condition 5 (part i) of listed building consent dated 4th August 2026 (RN: 25/04929/LBC).
Awaiting decision -
1 Carlton House Terrace London SW1Y 5AF
89% historically approved · decision due ~1 Dec
Details of the fixings into historic fabric at 1:10 or 1:5 for the proposed trellis and mirrors at the internal lightwell pursuant to discharge of condition 8 of listed building consent dated 12th March 2025 (RN: 25/00124/LBC).
Withdrawn
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26/07459/NMA Awaiting decision
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26/07389/NMA Decided
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26/07377/NMA Awaiting decision
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26/07375/NMA Awaiting decision
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