Planning application
12A Lowndes Street London SW1X 9EX
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Replacement of front Juliet doors and sash windows with new timber double glazed doors and windows.
As published by the council, reference 25/05044/FULL
Application record
- Reference
- 25/05044/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 21 Jul 2025
- Validated
- 28 Jul 2025
- Decided
- 4 Sep 2025
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 9EX
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/05045/LBC Granted
12A Lowndes Street London SW1X 9EX
Replacement of front Juliet doors and sash windows with new timber double glazed doors and windows; and internal alterations.
Timeline
Dates from the published record
-
21 Jul 2025
Received by Westminster
-
28 Jul 2025
Validated
Checked as complete and ready for consideration.
-
4 Sep 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Murray Birrell Ltd Agent, registered in Petts Wood
Active · incorporated 1995 · Petts Wood
90 applications on PlanIndex · across 10 councils · 96% granted
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
15 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 4 September 2025, 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
-
12A Lowndes Street London SW1X 9EX
Replacement of front Juliet doors and sash windows with new timber double glazed doors and windows; and internal alterations.
Granted Heritage and listed buildings Windows or glazing 10 docs -
14 Lowndes Street London SW1X 9EX
Internal alterations to first, second and third floors.
Granted Heritage and listed buildings 20 docs -
14 Lowndes Street London SW1X 9EX
Detailed drawings of the new doors, pursuant to Condition 4 of listed building consent 28 August 2025 (RN 25/05617/LBC)
Granted Conditions 8 docs -
13 Lowndes Street London SW1X 9EX
Minor structural repairs to the first-floor balconies and reinstatement of decorative corbels.
Granted Heritage and listed buildings 11 docs -
25 - 26 Motcomb Street London SW1X 8JU
Replacement of vacant ground and lower ground cafe fixtures with new cafe fit out comprising no structural works but strip out and new finishes
Granted Heritage and listed buildings 21 docs -
23 Motcomb Street London SW1X 8LB
90% historically approved · decision due ~17 Jun
Installation of fibre optic cabling for the provision of a fibre lease line order.
Awaiting decision Heritage and listed buildings 8 docs
Other full applications
In Westminster
-
26/06295/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Installation of a new shopfront with Medication Dispensing Outlet.
-
26/06297/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.
-
26/06294/FULL Awaiting decision
15 Eaton Mews South London SW1W 9HP
Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.
-
26/06317/FULL Awaiting decision
124 Hamilton Terrace London NW8 9UT
Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)
-
26/06273/FULL Awaiting decision
9A Grosvenor Square London W1K 5AE
Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)