Planning application
20 Carlton House Terrace London SW1Y 5AN
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Details of manufacturer's specification of light fittings (labelled FL1-DZ4, F1-D27 on the Carlton House Terrace elevation, F3-DZ14 on the Warwick House Street elevation and F2-DZ10 and F2-DZ9 on the Cockspur Court Facade) pursuant to condition 5 of planning permission dated 04 November 2024 (RN: 24/01754/FULL).
As published by the council, reference 25/06152/ADFULL
Application record
- Reference
- 25/06152/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 29 Aug 2025
- Validated
- 29 Aug 2025
- Decided
- 9 Sep 2025
- Ward
- St James's
- Decision by
- Delegated Decision
- Postcode
- SW1Y 5AN
Site history
Applications at this address on the Westminster register
This site has had 6 applications since 2022: 6 approved, 0 refused.
-
25/06975/FULL Granted
20 Carlton House Terrace London SW1Y 5AN
Installation of external lighting to the eighth and tenth floor terraces.
-
25/05797/ADFULL Granted
20 Carlton House Terrace London SW1Y 5AN
Detailed design of the of entrance doors to the basement car park area including the vehicular entrance and exit to the basement car park area; and new staircase to Cockspur Court pursuant to Condition 9 (iv and vi) (partial) of planning permission dated 28 July 2023 (RN 23/02725/FULL).
-
25/05734/FULL Granted
20 Carlton House Terrace London SW1Y 5AN
Amendments to the glazed pavilion at tenth floor terrace level.
-
25/05651/FULL Granted
20 Carlton House Terrace London SW1Y 5AN
Retention of pergola structure at L8 terrace, new bi-fold doors at L8 terrace and new louvres at ground floor level fronting Cockspur Court and Warwick House Street.
-
22/05594/ADFULL Granted
20 Carlton House Terrace London SW1Y 5AN
Details of Appendix A from Code of Construction Practice pursuant to Condition 3 of planning permission dated 30 March 2022 (21/07642/FULL).
Timeline
Dates from the published record
-
29 Aug 2025
Received by Westminster
-
9 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
DP9 Ltd Agent
Active · incorporated 2004
2,223 applications on PlanIndex · across 37 councils · 98% granted
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
10 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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Open the documentsWhat this grant of permission means
Westminster granted permission on 9 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 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.
Nearby applications
Within 0.3 miles
-
20 Carlton House Terrace London SW1Y 5AN
Details of Appendix A from Code of Construction Practice pursuant to Condition 3 of planning permission dated 30 March 2022 (21/07642/FULL).
Granted Full applications 6 docs -
20 Carlton House Terrace London SW1Y 5AN
Detailed design of the of entrance doors to the basement car park area including the vehicular entrance and exit to the basement car park area; and new staircase to Cockspur Court pursuant to Condition 9 (iv and vi) (partial) of planning permission dated 28 July 2023 (RN 23/02725/FULL).
Granted Full applications 13 docs -
20 Carlton House Terrace London SW1Y 5AN
Amendments to the glazed pavilion at tenth floor terrace level.
Granted Full applications Windows or glazing 22 docs -
20 Carlton House Terrace London SW1Y 5AN
Installation of external lighting to the eighth and tenth floor terraces.
Granted Full applications 16 docs -
20 Carlton House Terrace London SW1Y 5AN
Retention of pergola structure at L8 terrace, new bi-fold doors at L8 terrace and new louvres at ground floor level fronting Cockspur Court and Warwick House Street.
Granted Full applications Windows or glazing 33 docs -
14 - 16 Cockspur Street London SW1Y 5BL
Installation of dry riser acess cover set into the ground in front of the Cockspur Street entrance to the building.
Granted Full applications 22 docs
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