Planning application
3 Buckingham Mews London SW1E 6NR
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of solar panels to existing loft roof.
As published by the council, reference 26/02298/PASPV
Application record
- Reference
- 26/02298/PASPV
- Type
- Prior Appro Solar PV
- Status
- Pending
- Received
- 7 Apr 2026
- Validated
- 7 Apr 2026
- Ward
- St James's
- Postcode
- SW1E 6NR
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/00159/CLOPUD Withdrawn
3 Buckingham Mews London SW1E 6NR
Installation of solar panels to existing loft roof.
Timeline
Dates from the published record
-
7 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 2 June 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 91 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
nimtim architects Agent, an architecture practice registered in Wrotham Heath
Active · incorporated 2014 · Wrotham Heath
38 applications on PlanIndex · across 8 councils · 91% 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 happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 91 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.
Nearby applications
Within 0.3 miles
-
6 Buckingham Mews London SW1E 6NR
Amendments to planning permission dated 12th December 2022 (RN:22/03987/FULL) for the conversion of ground floor garage to habitable accommodation and erection of mansard extension for use in connection with the existing first floor flat (Unit 8); and extension to the rear first floor to existing flat, Unit 2 [Site includes rear of 25-27 Catherine Place] namely; to extend the width of the flat roof to the edge of the building.
Refused Amendments Extension Loft or dormer 15 docs -
4 Buckingham Mews London SW1E 6NR
88% historically approved · decision due ~30 Oct
Erection of a mansard roof extension.
Decided Full applications Extension Loft or dormer 16 docs -
5 Buckingham Mews London SW1E 6NR
88% historically approved · decision due ~7 Jul
Erection of mansard roof extension, external alterations, replacement windows, and conversion of garage to study room.
Awaiting decision Full applications Extension Loft or dormer +1 17 docs -
3 Buckingham Mews London SW1E 6NR
Installation of solar panels to existing loft roof.
Withdrawn Lawful development 12 docs -
21 Stafford Place London SW1E 6NP
88% historically approved · decision due ~9 Nov
Variation of Condition 1 of planning permission dated 17 April 2026 (RN 25/08897/FULL) for the erection of a mansard roof extension; Namely, to allow the addition of seven rooflights within the flat roof.
Decided Full applications Extension Loft or dormer -
21 Stafford Place London SW1E 6NP
Erection of mansard roof extension.
Granted Full applications Extension Loft or dormer 33 docs