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Planning application

Flat C 18 Newman Street London W1T 1PE

Granted Westminster 25/05821/CLEUD Certificate of Lawfulness (existing)

Works: Windows or glazing

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

Proposal

Installation of a double-glazed sash window to the front elevation (to the left-hand side when viewed externally); full-height windows to the rear elevation; and creation of an external balcony on the 4th floor.

As published by the council, reference 25/05821/CLEUD

Application record

Reference
25/05821/CLEUD
Type
Certificate of Lawfulness (existing)
Status
Decided
Decision
Granted As published: Application Permitted
Received
18 Aug 2025
Validated
18 Aug 2025
Decided
4 Mar 2026
Ward
West End
Decision by
Delegated Decision
Postcode
W1T 1PE

Site history

Applications at this address on the Westminster register

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

  • 25/05820/CLEUD Awaiting decision

    Flat C 18 Newman Street London W1T 1PE

    Existing use and development of a stair enclosure and the associated use of the fifth-floor terrace.

    Submitted 18 Aug 2025 Lawful development

Timeline

Dates from the published record

  1. 18 Aug 2025

    Received by Westminster

  2. 4 Mar 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Kilburn Nightingale Architects Agent, an architecture practice

Active · incorporated 2006

17 applications on PlanIndex · across 7 councils · 93% granted

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Documents

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

19 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 4 March 2026, 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

  • Flat C 18 Newman Street London W1T 1PE

    25/05820/CLEUD Submitted 18 Aug 2025 50 yards away

    84% historically approved · decision due ~13 Oct

    Existing use and development of a stair enclosure and the associated use of the fifth-floor terrace.

    Awaiting decision Lawful development 18 docs

  • 22 Newman Street London W1T 1PH

    07/10373/AD7 Submitted 28 Nov 2007 50 yards away

    Display for a temporary period of six months of a non-illuminated 'to let' Estate Agent Board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

    Granted Advertising 3 docs

  • 22 Newman Street London W1T 1PH

    06/01845/AD7 Submitted 9 Mar 2006 50 yards away

    Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.9m.

    Granted Advertising 5 docs

  • 22 Newman Street London W1T 1PH

    05/07429/AD7 Submitted 12 Sep 2005 50 yards away

    Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.9m.

    Granted Advertising 4 docs

  • 22 Newman Street London W1T 1PH

    05/02116/AD7 Submitted 18 Mar 2005 50 yards away

    Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.9m.

    Granted Advertising 4 docs

  • 22 Newman Street London W1T 1PH

    12/05159/FULL Submitted 14 May 2012 50 yards away

    Installation of three ventilation grilles at ground floor level on the rear facade of the premises.

    Granted Full applications 12 docs

In Westminster

  • 26/07468/CLOPUD Awaiting decision

    14 - 16 Great Portland Street London W1W 8QW

    Confirmation the demolition of the existing outrigger structure at fifth floor level (the Proposed Works) constitutes the lawful commencement of development pursuant to the Permission.

    Received 3 Nov, published by the council 5 Nov 2026 Lawful development
  • 26/07423/CLOPUD Awaiting decision

    103 Elgin Avenue London W9 2NP

    Painting of the decorative stonework, window frames and doors on the front elevation and front boundary wall

    Received 2 Nov, published by the council 4 Nov 2026 Lawful development
  • 26/07454/CLOPUD Awaiting decision

    10 Stratton Street London W1J 8LG

    Changes to existing windows and doors

    Received 2 Nov, published by the council 5 Nov 2026 Lawful development
  • 26/07381/CLEUD Awaiting decision

    Ground Floor Rear Flat 4 Mozart Street London W10 4LA

    Use of the ground floor rear flat as short-term visitor accommodation.

    Received 28 Oct, published by the council 5 Nov 2026 Lawful development
  • 26/07339/CLOPUD Awaiting decision

    123 Victoria Street London SW1E 6DE

    Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).

    Received 27 Oct, published by the council 30 Oct 2026 Lawful development