Planning application
79 Chester Square London SW1W 9DU
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Details of new interior, which must be appropriate to the period of the building and their location; pursuant to condition 5 (part iii) of planning permission dated 5th January 2023 (RN 22/05927/FULL)
As published by the council, reference 26/02993/ADFULL
Application record
- Reference
- 26/02993/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Pending
- Received
- 7 May 2026
- Validated
- 7 May 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1W 9DU
Site history
Applications at this address on the Westminster register
This site has had 7 applications since 2026.
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26/05726/ADFULL Awaiting decision
79 Chester Square London SW1W 9DU
Details of a further noise report pursuant to condition 12 (part 3) of planning permission dated 5th January 2023 (RN: 22/05927/FULL)
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26/04198/LBC Awaiting decision
79 Chester Square London SW1W 9DU
Reconfiguration of the approved photovoltaic array, including changing approved array to one with a lower number of higher performing panels and changing the mounting system (Amendment of Listed Building Consent dated 11 January 2023 RN: 22/05928/LBC.) (Linked with 26/04196/NMA)
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26/04197/ADFULL Awaiting decision
79 Chester Square London SW1W 9DU
Detailed drawings and the manufacturers specification; of the photovoltaic panels that will be used on main roof and the roof of the mews building; pursuant condition 14 of Planning Permission dated 5th January 2023 (RN 22/05927/FULL)
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26/04196/NMA Decided
79 Chester Square London SW1W 9DU
Amendments to planning permission dated 5th January 2023 (RN:22/05927/FULL) for "Excavation of basement storey beneath main house, demolition and rebuilding of mews house at new height plus the addition of a lower ground floor storey, demolition and rebuilding of main roof plus addition of plant equipment, erection of extension for lift from basement to third floor level, demolition and replacement of interconnecting extension between main and mews house, use of roof of interconnecting extension as a roof terrace, increasing height of boundary shared with 78 Chester Square and other external alterations". NAMELY, amendment to allow the reconfiguration of the approved photovoltaic array (inlcuding changing approved array to one with a lower number of higher performing panels) and the consequent amendment to the wording of condition 10.
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26/02994/ADLBC Awaiting decision
79 Chester Square London SW1W 9DU
Details of new interior, which must be appropriate to the period of the building and their location; pursuant to condition 3 (part iii) of Listed Building Consent dated 11th January 2023 (RN 22/05928/LBC)
-
26/02991/ADFULL Awaiting decision
79 Chester Square London SW1W 9DU
Details of biodiversity management plan in relation to second floor green roof pursuant to condition 9 (partial) of planning permission dated 13 December 2022 (RN: 22/05927/FULL)
Timeline
Dates from the published record
-
7 May 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 2 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 64 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
4 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 happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 89 days. More in our guide to how long planning decisions take.
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
-
77 Chester Square London SW1W 9DY
1 x London plane T1: Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Remove advanced epicormic trunk growth. Tip thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x London plane T2: Tip thin regrowth from previous reduction points by 10 to 15% to leave an even canopy density (small diameter branches only). 1 x London plane T3: Crown lift by two metres. Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Crown thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x London plane T4: Crown lift by two metres. Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Crown thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x London plane T5: Remove branch overhanging garden and emanating from trunk at about 10m above ground level. Crown lift by two metres. Cut back selected branches to suitable branch junctions to provide up to 2 m clearance from built structures. Crown thin small diameter branches only by 10 to 15% to leave an even canopy density. 1 x evergreen Magnolia T6: Reduce height and lateral spread over garden by up to 1m to create a more compact and conical shape. Prune back selected branches from elevation of house to create clearance of up to 0.5m.
Granted Trees 2 docs -
3 Chester Square Mews London SW1W 9DS
91% historically approved · decision due ~13 Jul
Detailed drawings of construction and window details of the new dormers to the mews; new garage doors; and New window and door to the ground floor mews elevation pursuant to conditon 4, a, b, c of listed building consent dated 22nd January 2025 (RN 24/08101/LBC)
Awaiting decision Conditions Loft or dormer Windows or glazing 10 docs -
3 Chester Square Mews London SW1W 9DS
87% historically approved · decision due ~13 Jul
Details showing the provision of electric vehicle charging facilities, available for use within the garage, detailed drawings (elevations and sections at a scale of 1:10 or 1:20) of the construction and window details of the new dormers to the mews, new garage doors and new window and door to the ground floor mews elevation and details of how waste is to be stored on site and how materials for recycling will be stored separately pursuant to condition 4, 8 and 9 of planning permission dated 23rd January 2025 (RN:24/08100/FULL)
Awaiting decision Full applications Loft or dormer Windows or glazing 11 docs -
81 Chester Square London SW1W 9DP
Re-routing soil pipe within lower ground floor ceiling; creation of a new bulkhead to contain soil pipe and ventilation pipes internally; and new opening in the facade for soil pipe to exit the building.
Granted Lawful development 11 docs -
33 Lower Belgrave Street London SW1W 0LS
87% historically approved · decision due ~4 Sep
Replacement front, rear and side elevation windows with double glazed timber sashes and main entrance door with solid timber door with double glazed fan light.
Decided Full applications Windows or glazing -
33 Lower Belgrave Street London SW1W 0LS
Removal of a rear window between ground and first floor level. (Retrospective)
Granted Full applications Windows or glazing 27 docs
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Installation of two roof-mounted anchor posts. (Linked to 26/06203/LBC)
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