Planning application
CL/25/06645
1 Alderson Street, London, W10 5JY
Proposal
Proposed remedial works at Chapter Portobello, 1 Alderson Street: removal of complete render system including all paper faced insulation and subframing, all timber particle sheathing boards including any existing intumescent cavity barriers in the internal courtyard elevations; installation of new cavity barriers, weatherboard, sealant, insulation and replacement render (Certificate of Lawful Proposed Use / Development)
As published by the council, reference CL/25/06645
Timeline
Dates from the published record
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10 Nov 2025
Received by Kensington and Chelsea
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2 Apr 2026
Decision issued: Grant Planning Permission/Consent
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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.
Nearby applications
Within 500 metres
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PP/25/05626 Withdrawn
6 Conlan Street, London, W10 5AR
Erection of additional storey; provision of roof terrace at second floor level; and fenestration alterations to the southern elevation
-
PP/26/01781 Granted
306 Kensal Road, London, W10 5BE
Works to external wall: installation of mural design (under the guidance of Urban Eye) to improve appearance of facade. Artwork to be fired onto durable 30cm x 30cm porcelain tiles and installed on walls outside front entrance of 'Pursuing Independent Paths' centre
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SNN/26/02252 Decided
Units A and B, 292 Kensal Road and Units 130-135, Network Hub, 300 Kensal Road, London, W10 5BE
Verification Order required to confirm the business name located at the premises, as follows:PureGym, Units A and B, 292 Kensal Road and Units 130-135, Network Hub, 300 Kensal Road, LONDON, W10 5BE
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NMA/21/03921 Withdrawn
253-259 Kensal Road, London, W10 5DE
Non-material amendment to planning permission PP/18/07896 (Demolition of laundry and residential buildings, and erection of part 5/part 6 storey commercial (Class B1) building with ancillary A1/A3 unit, with new entrances (Major Application)) to enable a planning condition to be added to the approved consent, which will allow the phasing of the approved scheme into two separate phases as follows: Phase 1: demolition Phase 2: main works***WITHDRAWN***
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PP/21/01413 Withdrawn
253-261 Kensal Road and 5-8 Middle Row, London, W10 5DE
Variation of Condition 2 (Compliance with approved drawings) of planning permission PP/18/07896 for a reduction in size and depth of approved basement, internal re-planning of floors at all levels, changes to plant at roof level, improvement in floor to ceiling heights, adjustment to fa?ade reveal depth on Middle Row (west) elevation and amendment to the positioning of entrances on Conlan Street. ***WITHDRAWN***
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CL/26/00057 Granted
James Hill House, 196-200 Kensal Road, London, W10 5BS
Remediation works to fa?ade; removal of combustible materials and replacing with fire rated products of equal visual likeness (Certificate of Lawful Proposed Use or Development)
Other lawful development applications
In Kensington and Chelsea
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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)
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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).
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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)
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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)
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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)