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Planning application

25/08648/CLOPUD

Queen Elizabeth II Conference Centre Broad Sanctuary London SW1P 3EE

Refused Westminster Certificate of Lawfulness (proposed)

Proposal

Infill of existing courtyard.

As published by the council, reference 25/08648/CLOPUD

Timeline

Dates from the published record

  1. 26 Nov 2025

    Received by Westminster

  2. 13 Mar 2026

    Decision issued: Application Refused

  3. 1 Aug 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 25/08649/FULL Granted

    Queen Elizabeth II Conference Centre Broad Sanctuary London SW1P 3EE

    Infill of the existing upper level internal courtyard and installation of mechanical plant.

    26 Nov 2025 7m away Full applications
  • 25/08009/FULL Awaiting decision

    8 - 10 Great George Street London SW1P 3AE

    Excavation of an additional basement level and associated works.

    4 Nov 2025 49m away Full applications
  • 26/00372/NMA Granted

    8 - 10 Great George Street London SW1P 3AE

    Amendments to planning permission dated 08 November 2019 (RN: 19/02730/FULL) for 'Use of part ground and upper floors as a 134-room hotel (Class C1); use of part lower ground as a leisure suite (Class D2); use of ground floor as restaurant/bar (Class A3/A4), external alterations, including demolition to include the removal of the rooftop plant enclosures and replacement with a single-storey extension, remodelling of the Little Sanctuary elevation and introduction of balconies and lightwells'. Namely, to relocate the UKPN substation to within the front vaults and new gate and staircase into front lightwell.

    22 Jan 2026 53m away Amendments
  • 25/08928/FULL Withdrawn

    1 Great George Street London SW1P 3AA

    Installation of solar film to external face of rooflights [Linked to 25/08929/LBC]

    9 Dec 2025 64m away Full applications
  • 25/08929/LBC Awaiting decision

    1 Great George Street London SW1P 3AA

    Installation of solar film to rooflights, replacement of failed flat roof coverings and associated internal and external alterations, including replacement of service riser boxing, formation of access hatches, and fire safety works to enable access to MEP systems.

    9 Dec 2025 64m away Heritage and listed buildings
  • 25/06809/FULL Granted

    23 Old Queen Street London SW1H 9JA

    Erection of conservatory structure at rear first-floor level.

    22 Sep 2025 132m away Full applications

In Westminster

  • 26/04958/CLEUD Awaiting decision

    1 Sussex Square London W2 2SJ

    Use of a building as mixed use as C3 (single residential dwelling) and C1 (short-stay accommodation)

    24 Jul 2026 Lawful development
  • 26/04971/CLOPUD Awaiting decision

    Flat 23 192 Emery Hill Street London SW1P 1PN

    Replacement of the existing single-glazed moving window sashes, casement panels, and balcony door leaves with slimline double-glazed timber units. The existing outer timber frames fixed into the building will be retained and will not be removed or altered. The replacement units will match the existing windows in material, design, glazing bar pattern, opening method, dimensions, and external appearance. No alterations are proposed to the building structure, external walls, openings, or window frame sizes. No new access, alterations to existing access, new streets, hardstandings, means of enclosure, or drainage works are proposed. The precise location and details of the replacement windows are shown on the accompanying drawings.

    24 Jul 2026 Lawful development
  • 26/04832/CLEUD Awaiting decision

    Basement Flat 117 Kilburn Park Road London NW6 5LB

    Use or Development in respect of the detached single-storey outbuilding within the rear garden of the applicants property.

    20 Jul 2026 Lawful development
  • 26/04856/CLOPUD Awaiting decision

    Flat 15 192 Emery Hill Street London SW1P 1PN

    Replacement of the existing single-glazed moving sashes, casement panels, and balcony door leafs with slimline double glazed timber units within the fully retained existing external timber frames.

    20 Jul 2026 Lawful development
  • 26/04632/CLOPUD Awaiting decision

    165 Oliphant Street London W10 4EA

    Installation of solar panels to generate clean, renewable energy from sunlight and reduce reliance on grid electricity and fossil fuels.

    10 Jul 2026 Lawful development