21 Stafford Place London SW1E 6NP

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 25/08897/FULL Granted

  21 Stafford Place London SW1E 6NP

  Erection of mansard roof extension.

  Decided 17 Apr 2026 Full applications

1. 14 Sep 2026

   Received by Westminster

2. 22 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 November 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.

• 25/08897/FULL Granted

  21 Stafford Place London SW1E 6NP

  Erection of mansard roof extension.

  Decided 17 Apr 2026 Full applications

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.

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.

• 21 Stafford Place London SW1E 6NP

  25/08897/FULL Submitted 8 Dec 2025 50 yards away

  Erection of mansard roof extension.

  Granted Full applications Extension Loft or dormer 33 docs

• 3 Buckingham Mews London SW1E 6NR

  26/00159/CLOPUD Submitted 13 Jan 2026 50 yards away

  Installation of solar panels to existing loft roof.

  Withdrawn Lawful development 12 docs

• 5 Buckingham Mews London SW1E 6NR

  26/02964/FULL Submitted 6 May 2026 50 yards away

  87% 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

  26/02298/PASPV Submitted 7 Apr 2026 50 yards away

  89% historically approved · decision due ~2 Jun

  Installation of solar panels to existing loft roof.

  Awaiting decision 15 docs

• 4 Buckingham Mews London SW1E 6NR

  26/05833/FULL Submitted 25 Aug 2026 50 yards away

  87% historically approved · decision due ~30 Oct

  Erection of a mansard roof extension.

  Awaiting decision Full applications Extension Loft or dormer 16 docs

• 1 Palace Street And 1 - 3 Buckingham Gate London SW1E 6JP

  25/05074/ADLBC Submitted 22 Jul 2025 50 yards away

  Detail of a written, drawn and photographic report following removal of the paint and areas of detached stucco, and any subsequent further investigation of the condition of the remaining render and underlying substrate; including a) a detailed elevation showing (i) the areas of loose or evidently failing render which have been removed in Phase 1; (ii) the areas of render requiring further intrusive restoration, particularly replacement; and (iii) the areas of render in sound condition and/or requiring only like-for-like in-situ repairs; b) a detailed Condition Report, analysing and recording what has been found, and providing the justification for the works; and c). a detailed Conservation Method Statement for the removal of the existing render, the temporary protection of those sections of render and mouldings to be retained, and for the re-rendering, restoration works and re-painting works pursuant to Condition 3 (a, b and c) of listed building consent dated 13 October 2023 (RN: 23/05763/LBC).

  Granted Conditions 33 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 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.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 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.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of new natural Portland Stone step surfaces to the two highway facing front entrance doors. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications
• 26/06277/FULL Awaiting decision

  Hospital 60 Grove End Road London NW8 9NH

  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.

  Received 14 Sep, published by the council 22 Sep 2026 Full applications