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Planning application

4 Sussex Square London W2 2SJ

Granted Westminster 25/07384/CLOPUD Certificate of Lawfulness (proposed)

Works: Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Replacement glazing and extending the internal footprint to the existing building line at the rear of the house by extending under the existing overhang created by the terrace above.

As published by the council, reference 25/07384/CLOPUD

Application record

Reference
25/07384/CLOPUD
Type
Certificate of Lawfulness (proposed)
Status
Decided
Decision
Granted As published: Application Permitted
Received
13 Oct 2025
Validated
13 Oct 2025
Decided
24 Oct 2025
Ward
Hyde Park
Decision by
Delegated Decision
Postcode
W2 2SJ

Site history

Applications at this address on the Westminster register

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

  • 25/05362/CLOPUD Refused

    4 Sussex Square London W2 2SJ

    Replacement glazing and extending the internal footprint to the existing building line at the rear of the house by extending under the existing overhang created by the terrace above.

    Decided 25 Sep 2025 Lawful development

Timeline

Dates from the published record

  1. 13 Oct 2025

    Received by Westminster

  2. 24 Oct 2025

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Risner Design Agent, a design practice registered in London

Active · incorporated 2018 · London

3 applications on PlanIndex · across 2 councils

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See their track record

Documents

Plans, drawings, consultee responses and the officer's report

6 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.

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What this grant of permission means

Westminster granted permission on 24 October 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 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 0.3 miles

  • 4 Sussex Square London W2 2SJ

    25/05362/CLOPUD Submitted 31 Jul 2025 50 yards away

    Replacement glazing and extending the internal footprint to the existing building line at the rear of the house by extending under the existing overhang created by the terrace above.

    Refused Lawful development Windows or glazing 7 docs

  • 1 Sussex Square London W2 2SJ

    26/04958/CLEUD Submitted 24 Jul 2026 50 yards away

    86% historically approved · decision due ~18 Sep

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

    Decided Lawful development
    Domestic

  • 8 Sussex Square London W2 2SJ

    25/07363/FULL Submitted 13 Oct 2025 50 yards away

    Garage conversion, including replacement of the garage door with french doors; rear lower ground floor extension; internal alterations; and replacement of the existing rear windows with aluminium windows.

    Granted Full applications Extension Windows or glazing 16 docs

  • 15 Stanhope Terrace London W2 2TT

    05/03572/CAC Submitted 9 May 2005 50 yards away

    Installation of air conditioning units in basement level lightwell and on roof level terrace.

    Decided Heritage and listed buildings 2 docs

  • 15 Stanhope Terrace London W2 2TT

    05/03571/FULL Submitted 9 May 2005 50 yards away

    Erection of a mansard roof extension, extension of the basement and associated formation of a basement lightwell to the Stanhope Terrace elevation. Installation of mechanical air conditioning plant and alterations to fenestration on the rear elevation including creation of doorway to Sussex Mews East.

    Granted Full applications Extension Loft or dormer +1 11 docs

  • 15 Stanhope Terrace London W2 2TT

    03/03919/TCA Submitted 14 May 2003 50 yards away

    1 x Lime: fell.

    Withdrawn Trees 1 doc

In Westminster

  • 26/06158/CLOPUD Awaiting decision

    2 Hamilton Gardens London NW8 9PT

    Erection of replacement, enlarged single storey ground floor rear extension.

    Received 9 Sep, published by the council 15 Sep 2026 Lawful development
  • 26/06080/CLEUD Awaiting decision

    91 Gloucester Place London W1U 6JG

    Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. 22/08385/FULL & listed building consent (RN 22/08386/LBC) has lawfully commenced as a result of the works evidenced.

    Received 7 Sep, published by the council 14 Sep 2026 Lawful development
  • 26/06044/CLOPUD Awaiting decision

    9 Abinger Mews W9 3SP

    Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.

    Received 3 Sep, published by the council 11 Sep 2026 Lawful development
  • 26/06035/CLOPUD Awaiting decision

    30 Ashworth Road W9 1JY

    Erection of new garden retaining wall and erection of new garden timber fence to match the height of existing fence.

    Received 3 Sep, published by the council 11 Sep 2026 Lawful development
  • 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.

    Received 27 Aug, published by the council 4 Sep 2026 Lawful development