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Planning application

CL/25/05542

Development Site at Demolished Avon House, Allen Street, London

Granted Kensington and Chelsea Certificates Lawful Existing Use or Dev.

Proposal

Confirmation that works undertaken on the site constitute the lawful implementation of planning permission PP/21/06400 dated 2 September 2022. (Certificate of Existing Use)

As published by the council, reference CL/25/05542

Timeline

Dates from the published record

  1. 17 Sep 2025

    Received by Kensington and Chelsea

  2. 6 Oct 2025

    Decision issued: Grant Planning Permission/Consent

  3. 20 Jul 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

  • SNN/26/01742 Granted

    Former Avon House, Allen Street, London W8 6BL

    Joint Decision and Verification Order required to confirm the street numbering of the property and to confirm the name of the care home facilities occupying the premises, linked to Planning application PP/21/06400, as follows:KYN Kensington, 18 Allen Street, LONDON, W8 6BLThe following address to be deleted - Avon House, Allen Street, LONDON, W8 6BL

    17 Apr 2026 22m away
  • PP/26/00470 Awaiting decision

    Avon House, Allen Street, London, W8 6BL

    Removal of conditions 4 (brickwork sample panels), 10 (chimney stack/flue details) and 28 (emergency Diesel Generation Plant) as these elements are no longer proposed.? Variation of conditions 5 (CTMP), 8 (flooding/SUDs), 9 (DEMP), 11 (landscaping), 13 (preliminary risk assessment), 14 (site investigation scheme), 15 (site investigation), 16 (remediation method statement), 19 (long term monitoring), 23 (existing trees), 25 (noise), 26 (CEMP) and 31 (obscure glazed windows) where they have already been discharged or the wording has previously been updated via a Non Material Amendment application. And variation of condition 2 (compliance with approved drawings) of planning permission dated 2 September 2022 PP/21/06400 ('Demolition building and redevelopment of site, to provide a ground plus three storey building including extension of existing basement, additional sub-basement level, for use as a care home facility (Class C2) with landscaping and associated works') to allow for:?? Introduction of an entrance porch to the front of the building? Provision of two?additional?resident bedrooms from 40 to 42 bedrooms? Internal floorplan layout reconfigurations??Window location amendments?Amendments to the layout of the?third floor?resident roof terrace? Decrease in third floor roof?plant area and ventilation louvres across the fa?ade? Amendments to main roof access and maintenance, roof light?removal?and PV panel layout?(MAJOR APPLICATION)

    15 Dec 2025 22m away Full applications
  • CON/25/04870 Granted

    4 Shaftesbury Villas, Allen Street, London, W8 6UZ

    Details required by condition 5 (SuDS) of planning permission 25/03502 (1.8m additional ground floor rear extension with two rooflights. Part two storey rear extension above flat roof of existing extension)

    8 Aug 2025 50m away Conditions
  • PP/26/02322 Granted

    Flat D, Abingdon Court, Abingdon Villas, London, W8 6BP

    Replacement of existing painted single/double glazed timber framed windows with new windows to match existing.

    23 Apr 2026 50m away Full applications
  • ARB/26/02508 Granted

    3 Shaftesbury Villas, Allen Street, London, W8 6UZ

    FELL 1x Tulip tree

    27 Apr 2026 50m away
  • ARB/26/00940 Granted

    3 Shaftesbury Villas, Allen Street, London, W8 6UZ

    FELL 1x Pittosporum

    4 Mar 2026 50m 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