Planning application
60 Chester Square London SW1W 9EA
Works: Windows or glazing
Relates to 25/06260/LBC
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Internal refurbishment including reconfigurations of rooms, external works including window repairs and replacements, new external terrace finishes, replacement of flat roof coverings, and replacement CCTV system. (Linked to 25/06260/LBC)
As published by the council, reference 25/06259/FULL
Application record
- Reference
- 25/06259/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 3 Sep 2025
- Validated
- 11 Sep 2025
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1W 9EA
Site history
Applications at this address on the Westminster register
This site has had 8 applications since 2025: 1 approved, 2 refused.
-
26/04803/ADLBC Decided
60 Chester Square London SW1W 9EA
Details of method statement for paint removal from stairs pursuant to partial discharge of condition 4 (Part 3) of listed building consent dated 11th November (RN: 25/06260/LBC).
-
26/04326/ADFULL Decided
60 Chester Square London SW1W 9EA
Detailed drawings of the CCTV, new external balustrades and dormers; and material samples, pursuant to conditions 4 and 5 of planning permission dated 9th November 2025 (RN 25/06259/FULL).
-
26/04384/ADLBC Decided
60 Chester Square London SW1W 9EA
Detailed drawings of the CCTV, new external balustrades and dormers; material samples; and amended third floor plan to show alteration to door opening, pursuant to conditions 4 (partial), 5, 9 of listed building consent dated 9th November 2025 (RN: 25/06260/LBC).
-
26/01153/ADFULL Refused
60 Chester Square London SW1W 9EA
Details of CCTV fixtures showing their design, size and position, and relationship with existing architectural detailing and dormers pursuant to condition 4 parts 1 and 3 and, photo sample of roofing slate pursuant to part-discharge of condition 5 of planning permission dated 11th November 2025 (RN: 25/06259/FULL).
-
26/01897/ADLBC Refused
60 Chester Square London SW1W 9EA
Details of CCTV fixtures showing their design, size and position, and relationship with existing architectural detailing, method for paint removal on staircase and dormer details pursuant to condition 4 parts 1, 3 and 4; photo sample of roof slate pursuant to part-discharge of condition 5; and amended third floor plan pursuant to condition 9 of listed building consent dated 11th November (RN: 25/06260/LBC).
-
25/06260/LBC Awaiting decision
60 Chester Square London SW1W 9EA
Internal refurbishment including reconfigurations of rooms; external works including window repairs and replacements, new external terrace finishes, replacement of flat roof coverings, and replacement CCTV system. (Linked to 25/06259/FULL)
-
25/06015/CLOPUD Granted
60 Chester Square London SW1W 9EA
Confirmation that the planning permission dated 02 January 2002 (RN: 01/09015/FULL) for the "Alteration to rear pitch of mansard roof, creation of rear terrace on flat roof between ground and first floor level. Creation of new first floor covered balcony and alterations to front downpipe" has been lawfully implemented for the purpose of Section 56 of the Town and Country Planning Act (1990) (as amended) and that it is lawful to continue with that development.
Timeline
Dates from the published record
-
3 Sep 2025
Received by Westminster
-
11 Sep 2025
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 6 November 2025, 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 65 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
25/06260/LBC Awaiting decision
60 Chester Square London SW1W 9EA
Internal refurbishment including reconfigurations of rooms; external works including window repairs and replacements, new external terrace finishes, replacement of flat roof coverings, and replacement CCTV system. (Linked to 25/06259/FULL)
3 later applications on the register refer to this one:
-
26/04326/ADFULL Decided
60 Chester Square London SW1W 9EA
Detailed drawings of the CCTV, new external balustrades and dormers; and material samples, pursuant to conditions 4 and 5 of planning permission dated 9th November 2025 (RN 25/06259/FULL).
-
26/01153/ADFULL Refused
60 Chester Square London SW1W 9EA
Details of CCTV fixtures showing their design, size and position, and relationship with existing architectural detailing and dormers pursuant to condition 4 parts 1 and 3 and, photo sample of roofing slate pursuant to part-discharge of condition 5 of planning permission dated 11th November 2025 (RN: 25/06259/FULL).
-
25/06260/LBC Awaiting decision
60 Chester Square London SW1W 9EA
Internal refurbishment including reconfigurations of rooms; external works including window repairs and replacements, new external terrace finishes, replacement of flat roof coverings, and replacement CCTV system. (Linked to 25/06259/FULL)
Who's behind it
Company information only, from the register and Companies House
MMM architects ltd Agent, an architecture practice registered in London
Active · incorporated 2010 · London
11 applications on PlanIndex · across 2 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
26 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 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 91 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 0.3 miles
-
60 Chester Square London SW1W 9EA
Confirmation that the planning permission dated 02 January 2002 (RN: 01/09015/FULL) for the "Alteration to rear pitch of mansard roof, creation of rear terrace on flat roof between ground and first floor level. Creation of new first floor covered balcony and alterations to front downpipe" has been lawfully implemented for the purpose of Section 56 of the Town and Country Planning Act (1990) (as amended) and that it is lawful to continue with that development.
Granted Lawful development Loft or dormer 19 docs -
Chester Square London
100% historically approved · decision due ~24 Jul
T146 - Prunus cerasifera 'Pissardii': Reduce faulted limb(s) - reducing the branches at 2 - 2.5 m to the west and to the east with Phellinus sp. fungal brackets by 1 - 1.5 m, to reduce loading and minimise the potential for branch failure onto footpaths and seating. Final cuts to be made at suitable pruning points, leaving furnishing growth to minimise visual impact.
Awaiting decision Trees 4 docs -
33 Eccleston Street London SW1W 9NS
Removal of existing rear extensions and construction of rear full width extensions at lower ground and ground floor levels, replacement plant within enclosure at front roof level, alterations to existing terrace and railings at rear first floor level, new terrace/patio area over extension at rear ground floor level and internal alterations.
Granted Full applications Extension 16 docs -
33 Eccleston Street London SW1W 9NS
Removal of existing rear extensions and construction of rear full width extensions at lower ground and ground floor levels, replacement plant within enclosure at front roof level, alterations to existing terrace and railings at rear first floor level, new terrace/patio area over extension at rear ground floor level and internal alterations.
Granted Heritage and listed buildings Extension 3 docs -
33 Eccleston Street London SW1W 9NS
Removal of wall at basement level, replacement of spiral stair at third and fourth with new timber stair, addition of two bathrooms and removal of non-original staircase to create shower room.
Granted Heritage and listed buildings 7 docs -
33 Eccleston Street London SW1W 9NS
Details of new windows and doors pursuant to Condition 4 of planning permission dated 17 September 2010 (RN:10/04520).
Granted Conditions Windows or glazing 6 docs
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