Planning application
117 Eccleston Mews London SW1X 8AQ
Works: Loft or dormer Roofing Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
External alterations to front and rear elevations including replacement windows, garage doors and window planter boxes, new wall lights, dome security cameras and alarm box; relocated boiler flue;; replacement roof covering and rooflight; and conversion of two garages into one.
As published by the council, reference 25/05762/FULL
Application record
- Reference
- 25/05762/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 15 Aug 2025
- Validated
- 19 Sep 2025
- Decided
- 19 Feb 2026
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 8AQ
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
26/01880/FULL Awaiting decision
117 Eccleston Mews London SW1X 8AQ
Replacement of parapet coping stones, installation of rainwater downpipe to the rear elevation and installation of warm roof covering and rooflight, roof ventilation terminals and new roof mounted air source heat pump and privacy screen.
Timeline
Dates from the published record
-
15 Aug 2025
Received by Westminster
-
19 Sep 2025
Validated
Checked as complete and ready for consideration.
-
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
RBD Architecture & Interiors Agent, an architecture practice
5 applications on PlanIndex
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
32 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 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 0.3 miles
-
117 Eccleston Mews London SW1X 8AQ
88% historically approved · decision due ~7 Jun
Replacement of parapet coping stones, installation of rainwater downpipe to the rear elevation and installation of warm roof covering and rooflight, roof ventilation terminals and new roof mounted air source heat pump and privacy screen.
Awaiting decision Full applications Loft or dormer Roofing 16 docs -
15 Upper Belgrave Street London SW1X 8AB
Replacement doors to basement kitchen.
Granted Heritage and listed buildings 8 docs -
116 Eaton Square London SW1W 9AA
Replacement lightwell stair and balustrade, floor finishes and surface water drainage, undercroft bin store and new service entrance door.
Granted Heritage and listed buildings 7 docs -
116 Eaton Square London SW1W 9AA
Replacement lightwell stair and balustrade, floor finishes and surface water drainage, undercroft bin store and new service entrance door.
Granted Full applications 20 docs -
First Floor And Second Floor Maisonette 114 Eaton Square London SW1W 9AA
88% historically approved · decision due ~31 Aug
Installation of a new tiled balcony finish using a reversible pedestal system, together with the repair and redecoration of existing cast-iron railings where required, and the implementation of a landscaped planting scheme comprising freestanding planters. (Linked with 26/04478/LBC)
Awaiting decision Full applications 9 docs -
113 Eaton Square London SW1W 9AA
External alterations including infill of the rear lightwell at lower ground floor level, addition of rooflights, replacement windows and doors including replacing garage doors and use of the garage as habitable space at 113 Eccleston Mews. (Linked 25/06284/LBC)
Granted Full applications Extension Loft or dormer +1 38 docs
Other full applications
In Westminster
-
26/07528/FULL Awaiting decision
69 Eaton Place London SW1X 8DF
Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)
-
26/05200/FULL Decided
1 The Court House 165 Seymour Place London W1H 4PU
Installation of waterproofing system to the existing lead flat roofs
-
26/07521/FULL Awaiting decision
Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ
Installation of one external condenser unit
-
26/07508/FULL Awaiting decision
Buckingham Palace The Mall London SW1A 1AA
Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)
-
26/07472/FULL Awaiting decision
Flat 3 82 New Cavendish Street London W1G 9TA
Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)