Planning application
Flat H 7 - 8 Upper Belgrave Street London SW1X 8BD
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of external AC condenser in external housing at main roof level to serve Flat H (Linked with 26/03533/LBC).
As published by the council, reference 26/03532/FULL
Application record
- Reference
- 26/03532/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 29 May 2026
- Validated
- 29 May 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1X 8BD
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/03533/LBC Awaiting decision
Flat H 7 - 8 Upper Belgrave Street London SW1X 8BD
Installation of external AC condenser in external housing at main roof level to serve Flat H (Linked with 26/03532/FULL).
Timeline
Dates from the published record
-
29 May 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 24 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 66 days over the applications it decided in the last year.
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
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.
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
-
Flat H 7 - 8 Upper Belgrave Street London SW1X 8BD
90% historically approved · decision due ~24 Jul
Installation of external AC condenser in external housing at main roof level to serve Flat H (Linked with 26/03532/FULL).
Awaiting decision Heritage and listed buildings 1 doc -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Internal alterations and creation of new en-suite bathroom at fourth floor level.
Refused Heritage and listed buildings 24 docs -
6 Upper Belgrave Street London SW1X 8BD
Interior fit out to the fourth floor of a new ensuite shower room and new stud walls.
Granted Heritage and listed buildings 17 docs -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Interior fit out to the third and fourth floors.
Granted Heritage and listed buildings 20 docs -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
90% historically approved · decision due ~3 Sep
Replacement of the existing condenser and acoustic enclosure with a new unit and enclosure in the same location along with internal alterations to the third and fourth floor maisonette. (Linked with 26/04335/FULL)
Awaiting decision Heritage and listed buildings 32 docs -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
87% historically approved · decision due ~3 Sep
Replacement of the existing condenser and acoustic enclosure with a new unit and enclosure in the same location along with internal alterations to the third and fourth floor maisonette. (Linked with 26/04336/LBC)
Awaiting decision Full applications 33 docs
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Variation of conditions 1 and removal of condition 6 of planning permission dated 12th November 2019 (RN 19/07202/FULL) for the Variation of condition 12 of planning permission dated 21 June 2013 (RN: 13/01330/FULL) for the: Demolition of single storey block to north east elevation of main hospital building. Erection of three storey building (plus basement level) with link to existing hospital fronting onto Grove End Road and erection of two storey extension to the main entrance building, both to provide additional hospital accommodation (Class D1). Installation of mechanical plant and associated external alterations. NAMELY, to include amended phase 2 drawings and condition 6 to be removed as the as approved 11 car parking space are no longer proposed and the car lift is no longer shown on the amended plans.