Planning application
103 St George's Square Mews London SW1V 3RZ
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of three painted timber sash windows within new openings to the rear elevation.
As published by the council, reference 26/05346/CLOPUD
Application record
- Reference
- 26/05346/CLOPUD
- Category
- Lawful development
- Status
- Pending
- Received
- 6 Aug 2026
- Validated
- 6 Aug 2026
- Postcode
- SW1V 3RZ
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2026.
-
26/01794/FULL Awaiting decision
103 St George's Square Mews London SW1V 3RZ
Erection of mansard roof extension, first floor rear extension and roof terrace, alterations to front and rear elevations.
-
26/01650/FULL Awaiting decision
103 St George's Square Mews London SW1V 3RZ
Erection of a mansard roof extension and alterations to front and rear elevations.
Timeline
Dates from the published record
-
6 Aug 2026
Received by Westminster
-
11 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 1 October 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 61 days over the applications it decided in the last year.
What 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 lawful development applications in a median of 78 days. More in our guide to how long planning decisions take.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
103 St George's Square Mews London SW1V 3RZ
87% historically approved · decision due ~8 May
Erection of a mansard roof extension and alterations to front and rear elevations.
Awaiting decision Full applications Extension Loft or dormer 21 docs -
103 St George's Square Mews London SW1V 3RZ
87% historically approved · decision due ~14 May
Erection of mansard roof extension, first floor rear extension and roof terrace, alterations to front and rear elevations.
Awaiting decision Full applications Extension Loft or dormer 22 docs -
Lower Ground Floor Flat 107 St George's Square London SW1V 3QP
Alterations to windows and doors and replacement paving finish to front lightwell steps.
Granted Full applications Windows or glazing 25 docs -
Lower Ground Floor Flat 107 St George's Square London SW1V 3QP
Alterations to windows and doors, replacement paving finish to front lightwell steps and internal alterations at lower ground floor level.
Granted Heritage and listed buildings Windows or glazing 25 docs -
Flat 12 89 - 91 St George's Square London SW1V 3QW
Replacement of the fifth floor terrace doors with bi-fold doors and the installation of additional roof insulation.
Granted Heritage and listed buildings Windows or glazing 15 docs -
Flat 12 89 - 91 St George's Square London SW1V 3QW
Replacement of the fifth floor terrace doors with bi-fold doors and the installation of additional roof insulation.
Granted Full applications Windows or glazing 18 docs
Other lawful development applications
In Westminster
-
26/05871/CLEUD Awaiting decision
32 Cambridge Street London SW1V 4QH
Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.
-
26/05816/CLOPUD Awaiting decision
124 - 126 Wardour Street London W1F 0TY
Use of flats 1, 2 and 4 as three single dwellinghouses (Class C3).
-
26/05786/CLOPUD Awaiting decision
6 Grosvenor Street London W1K 4DJ
Confirmation that the planning permission dated 31 July 2024 (RN: 23/08374/FULL) for the: Refurbishment and extension of existing Class E building to include the extension of the fifth floor, partial demolition and reconstruction of the sixth floor, erection of a new seventh floor with external terrace, alterations to the Avery Row and Grosvenor Street elevations to include new shopfronts, entrances and replacement windows, installation of green roof and photovoltaic panels at main roof level and installation of screened plant at seventh floor level. (SITE INCLUDES 4 GROSVENOR STREET), was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.
-
26/05724/CLEUD Awaiting decision
The Sky Bar Trocadero 13 Coventry Street London W1D 7DH
Confirmation of the lawful implementation of planning permission dated 31 August 2023 (RN: 22/06174/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.
-
26/05560/CLOPUD Awaiting decision
3 Northumberland Place London W2 5BS
Painting of the front facade of the building.