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Planning application

9 Colbeck Mews, London, SW7 4LX

Granted Kensington and Chelsea CL/23/06720 Certificates Lawful Proposed Use or Dev.

Works: Loft or dormer Windows or glazing

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

Proposal

Alterations and replacement to windows and doors and installation of new rooflights (Certificate of Lawful Proposed Use/Development)

As published by the council, reference CL/23/06720

Application record

Reference
CL/23/06720
Type
Certificates Lawful Proposed Use or Dev.
Status
Decided
Decision
Grant Planning Permission/Consent
Received
16 Oct 2023
Validated
16 Oct 2023
Decided
11 Dec 2023
Ward
Courtfield
Parish
06
Postcode
SW7 4LX

Site history

Applications at this address on the Kensington and Chelsea register

This site has had 2 applications since 2023: 2 approved, 0 refused.

  • PP/25/05175 Granted

    9 Colbeck Mews, London, SW7 4LX

    Variation of condition 2 (compliance with approved drawings) of planning permission 23/08401, to allow the introduction of top lights above the garage and main door; and the replacement of drawings 9CM-E1b and 9CM-E1b Rev 1 with drawing no. 9CM-E1b Rev 2.

    Decided 10 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 16 Oct 2023

    Received by Kensington and Chelsea

  2. 11 Dec 2023

    Decision issued: Grant Planning Permission/Consent

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Applicant on file, a planning consultancy registered in Bedford

16 applications on PlanIndex · 100% granted

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Documents

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

7 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

Kensington and Chelsea granted permission on 11 December 2023, 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 500 metres

  • 1 Colbeck Mews, London, SW7 4LX

    PP/26/01950 Submitted 20 Apr 2026 0m away

    94% historically approved · decision due ~15 Jun

    Conversion of existing single dwellinghouse into two self-contained dwellinghouses, including excavation of a basement level, internal and external refurbishment works, alterations to front elevation fenestration, and installation of rooflights

    Awaiting decision Full applications Loft or dormer Windows or glazing 58 docs
    Domestic
  • 4 Colbeck Mews, London, SW7 4LX

    CON/26/02968 Submitted 4 Jun 2026 0m away

    Details required by condition 6 (CTMP) of planning permission PP/25/00848 (Excavation and construction of a basement beneath existing ground floor and installation of a dormer window with skylights as part of an extension in loft area)

    Granted Conditions Extension Loft or dormer +1 8 docs
  • 9 Colbeck Mews, London, SW7 4LX

    PP/25/05175 Submitted 21 Aug 2025 30m away

    Variation of condition 2 (compliance with approved drawings) of planning permission 23/08401, to allow the introduction of top lights above the garage and main door; and the replacement of drawings 9CM-E1b and 9CM-E1b Rev 1 with drawing no. 9CM-E1b Rev 2.

    Granted Full applications 12 docs
  • 5-7 Courtfield Mews, London, SW5 0NH

    PP/25/04705 Submitted 28 Jul 2025 32m away

    Roof works including installation of new mansard roof and raising of part front and side elevation parapet wall.

    Granted Full applications Loft or dormer 23 docs
  • 3 Courtfield Mews, London, SW5 0NH

    PP/23/07968 Submitted 30 Nov 2023 42m away

    Proposed terrace and roof extension and alterations at rear 2nd floor level including replacement of window with door and installation of railing. Application pursuant to PP/23/04905

    Granted Full applications Extension Windows or glazing 24 docs
  • 5-7 Courtfield Mews, London, SW5 0NH

    NMA/23/07706 Submitted 22 Nov 2023 42m away

    Non-material amendment to planning permission PP/23/00182 (Alterations and enlargement of second floor front dormer and extension of dormer to rear of for installation of a passenger lift; formation of 2 roof lights to rear flat roof areas and miscellaneous alterations internally) for approved flat glass roof light to rear is to be replaced by new Velux type windows within a smaller sloping roof of approx 12 degrees slope.

    Refused Amendments Extension Loft or dormer +1 5 docs

In Kensington and Chelsea

  • CL/26/01267 Granted

    1 Bray Place, London, SW3 3LL

    Confirmation that the existing structure at no. 27 Coulson Street / 1 Bray Place was built in the early 1970s as a single development over three floors (basement to first floor) after the demolition of a previous infill building in 1971 (Certificate of Lawful Existing Use)

    9 Mar 2026 Lawful development
  • CL/26/02700 Granted

    27 Lansdowne Road, London, W11 3AG

    Provision of lead flashing to parapet/cornice lines and painting of windows and existing painted areas of the building in soft white (Certificate of Proposed Use/Development).

    19 May 2026 Lawful development
  • CL/26/02515 Granted

    Flats A and C, 61 Holland Park, London, W11 3SJ

    Reconfiguration of the accommodation at Flat A and Flat C to create one four-bed dwelling and one one-bed dwelling (Certificate of Lawful Proposed Development / Use)

    6 May 2026 Lawful development
  • CL/26/03998 Awaiting decision

    87 Addison Road, London, W14 8ED

    Confirmation that the existing A/C Units & Screening to the north and south sides on the flat roofs at ground and first floor levels are lawful (Certificate of Lawful Existing Use/Development)

    23 Jul 2026 Lawful development
  • CL/26/04000 Awaiting decision

    191 Freston Road, London, W10 6TH

    Confirmation that the use of the property as Class F1(a) (Education) is lawful (Certificate of Lawful Existing Use/Development)

    23 Jul 2026 Lawful development