Planning application
3 Wilton Row London SW1X 7NR
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 01 October 2024 (RN24/03484/FULL) for excavation at lower ground floor level to increase internal floor to ceiling height, lowering the garden level by 300mm and alterations to existing lightwell. NAMELY, internal alterations and lowering the level at lower ground floor level.
As published by the council, reference 25/06784/FULL
Application record
- Reference
- 25/06784/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Application Permitted
- Received
- 22 Sep 2025
- Validated
- 22 Sep 2025
- Decided
- 19 Feb 2026
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 7NR
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/06783/FULL Granted
3 Wilton Row London SW1X 7NR
Internal enlargement of existing lower ground floor, including lowering the lower ground floor level.
Timeline
Dates from the published record
-
22 Sep 2025
Received by Westminster
-
19 Feb 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Cranbrook Basement Design and Construction Ltd Agent, a design practice registered in Ilford
Active · incorporated 2015 · Ilford
10 applications on PlanIndex · across 3 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
15 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 19 February 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 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 500 metres
-
3 Wilton Row London SW1X 7NR
Internal enlargement of existing lower ground floor, including lowering the lower ground floor level.
Granted Full applications 23 docs -
17 Grosvenor Crescent London SW1X 7EE
87% historically approved · decision due ~3 Aug
Replacement of basement level door with bullet resistant door and transom windows above; provision of removal of section of existing handrail and provision of a new gate at basement level; internal alterations including replacement of two security counters on the ground floor (FB6 and RC4 glazing, document passthroughs, and partitions); replacement of three security counters in the basement (FB6 and RC4 glazing, document pass-throughs, and partitions); replacement of an external bullet-resistant emergency door (FB6); replacement of an external bullet-resistant window (FB6) at basement level; refresh works to include paint and decorate , floor finishers and basement WC; replacement of desking and furniture; and replacement of fire door to meet current fire and building regulations. (Linked with 26/03745/LBC)
Awaiting decision Full applications Windows or glazing 8 docs -
31 Wilton Crescent London SW1X 8RX
90% historically approved · decision due ~20 Apr
Reinstatement of front area railings and Portland stone plinth. (Linked to 26/01139/FULL)
Awaiting decision Heritage and listed buildings 16 docs -
31 Wilton Crescent London SW1X 8RX
87% historically approved · decision due ~20 Apr
Reinstatement of front area railings and Portland stone plinth. (Linked to 26/01140/LBC)
Awaiting decision Full applications 19 docs -
23 Wilton Row London SW1X 7NS
87% historically approved · decision due ~8 May
Details of new rooflight, including any upstand pursuant to condition 4 of planning permission dated 17th June 2025 (RN:25/02431).
Awaiting decision Full applications Loft or dormer 5 docs -
17 Grosvenor Crescent London SW1X 7EE
90% historically approved · decision due ~3 Aug
Replacement of basement level door with bullet resistant door and transom windows above; provision of removal of section of existing handrail and provision of a new gate at basement level; internal alterations including replacement of two security counters on the ground floor (FB6 and RC4 glazing, document passthroughs, and partitions); replacement of three security counters in the basement (FB6 and RC4 glazing, document pass-throughs, and partitions); replacement of an external bullet-resistant emergency door (FB6); replacement of an external bullet-resistant window (FB6) at basement level; refresh works to include paint and decorate , floor finishers and basement WC; replacement of desking and furniture; and replacement of fire door to meet current fire and building regulations. (Linked with 26/03744/FULL)
Awaiting decision Heritage and listed buildings Windows or glazing 6 docs
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