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Planning application

CL/24/05955

First and Second Floor Maisonette, 146 Portobello Road, London, W11 2DZ

Granted Kensington and Chelsea Certificates Lawful Proposed Use or Dev.

Proposal

Replacement of three windows, like for like, to rear elevation (Certificate of Lawful Proposed Use/Development)

As published by the council, reference CL/24/05955

Timeline

Dates from the published record

  1. 5 Sep 2024

    Received by Kensington and Chelsea

  2. 13 Sep 2024

    Validated

    Checked as complete and ready for consideration.

  3. 8 Nov 2024

    Decision issued: Grant Planning Permission/Consent

  4. 3 Aug 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • PP/26/02687 Awaiting decision

    Colville Primary School, Lonsdale Road, London, W11 2DF

    Replacement of existing fence railing on a like-for-like basis and relocation of a means of escape gate and installation of a staircase providing access from lower-ground level to street level.

    15 May 2026 42m away Full applications
  • LB/26/02688 Awaiting decision

    Colville Primary School, Lonsdale Road, London, W11 2DF

    Replacement of existing fence railing on a like-for-like basis and relocation of a means of escape gate and installation of a staircase providing access from lower-ground level to street level.

    15 May 2026 42m away Heritage and listed buildings
  • ARB/26/02905 Granted

    Colville Primary School, Lonsdale Road, London, W11 2DF

    Prune (as specified)

    27 May 2026 42m away
  • PP/25/05882 Granted

    168 Kensington Park Road, London, W11 2ER

    Formation of low profile roof extension to create new 3rd floor level within existing parapet walls, and alterations to rear fenestration

    29 Sep 2025 54m away Full applications
  • CL/23/00363 Refused

    171 & 173-175 Portobello Road, London, W11 2DY

    Internal works providing more open arrangement between 171 and 173 Portobello Road, while retaining two planning uses, namely Sui Generis public house/drinking establishment use within 171 Portobello Road, and class E restaurant use across 173-175 Portobello Road. (Certificate of Proposed Development/Use)

    17 Jan 2023 64m away Lawful development
  • ARB/25/05830 Granted

    School, Colville Primary School, Lonsdale Road, London, W11 2DF

    Prune 1 x Olive and 1 x Sycamore

    26 Sep 2025 65m away

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