Planning application
14 Cottesmore Gardens, London, W8 5PR
Works: Extension Demolition Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Variation of condition 2 (Compliance with approved drawings) of planning permission ref. PP/24/08064 (Application for the creation of new single front door; demolition and reconstruction of closet wing with enlarged basement; formation of rear extension link and infill extensions with rear terrace; fenestration alterations to rear elevation, comprising of new windows and Juliette balconies; improvements to roof form, together with external plant and glazed maintenance access hatch; and other associated works) to allow for the extension of the approved basement by approximately 78sqm, reduction in the extent of courtyard at basement level and erection of trellis to sections of west boundary brick wall.
As published by the council, reference PP/26/00910
Application record
- Reference
- PP/26/00910
- Type
- Planning Permission
- Status
- Decided
- Decision
- Grant Planning Permission/Consent
- Received
- 23 Dec 2025
- Decided
- 1 May 2026
- Ward
- Queen's Gate
- Parish
- 14
- Postcode
- W8 5PR
Site history
Applications at this address on the Kensington and Chelsea register
This site has had 6 applications since 2025: 5 approved, 0 refused.
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CON/26/03138 Granted
14 Cottesmore Gardens, London, W8 5PR
Details required by condition 12 (Trees and landscaping) and 7 (Construction Traffic Management Plan (CTMP)) of planning permission 26/00910 (Variation of condition 2 (Compliance with approved drawings) of planning permission ref. PP/24/08064 (Application for the creation of new single front door; demolition and reconstruction of closet wing with enlarged basement; formation of rear extension link and infill extensions with rear terrace; fenestration alterations to rear elevation, comprising of new windows and Juliette balconies; improvements to roof form, together with external plant and glazed maintenance access hatch; and other associated works) to allow for the extension of the approved basement by approximately 78sqm, reduction in the extent of courtyard at basement level and erection of trellis to sections of west boundary brick wall.)
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CON/26/01242 Granted
14 Cottesmore Gardens, London, W8 5PR
Details required by Condition 4 (submission of details - a) Materials to be used on the externalface of the building(s) (including the new front door and windows); (b) External lighting; (c)Proposed walls, fences, and/or railings; (d) Position, specification, and details of all mechanicalventilation Materials to be used on the external faces of the building(s) (including the new frontdoor and windows); (b) External lighting; (c) Proposed walls, fences, and/or railings; (d) Position,specification, and details of all mechanical ventilation) of planning permission PP/24/08064(Creation of new single front door; demolition and reconstruction of closet wing with enlargedbasement; formation of rear extension link and infill extensions with rear terrace; fenestrationalterations to rear elevation, comprising of new windows and Juliette balconies; improvements toroof form, together with external plant and glazed maintenance access hatch; and other associatedworks)
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NMA/25/06334 Decided
14 Cottesmore Gardens, London, W8 5PR
Non-material amendment to planning permission 24/08064 (Creation of new single front door; demolition and reconstruction of closet wing with enlarged basement; formation of rear extension link and infill extensions with rear terrace; fenestration alterations to rear elevation, comprising of new windows and Juliette balconies; improvements to roof form, together with external plant and glazed maintenance access hatch; and other associated works) to allow: adjustments to fenestration within lower ground floor lightwell; an increase in length of platform lift; re-proportioning of floor vent within eastern lower ground floor lightwell; adjustments to gutter detail of rear extension; and the addition of 4no. rooflights to the upper mansard pitched roof.
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PP/25/05254 Granted
14 Cottesmore Gardens, London, W8 5PR
Alterations to the front elevation and other associated works in association with the works as previously approved under PP/24/08064 (Creation of new single front door; demolition and reconstruction of closet wing with enlarged basement; formation of rear extension link and infill extensions with rear terrace; fenestration alterations to rear elevation, comprising of new windows and Juliette balconies; improvements to roof form, together with external plant and glazed maintenance access hatch; and other associated works)
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CON/25/04524 Granted
14 Cottesmore Gardens, London, W8 5PR
Details required by condition 7 (Construction Traffic Management Plan (CTMP)) of planning permission PP/24/08064 (Creation of new single front door; demolition and reconstruction of closet wing with enlarged basement; formation of rear extension link and infill extensions with rear terrace; fenestration alterations to rear elevation, comprising of new windows and Juliette balconies; improvements to roof form, together with external plant and glazed maintenance access hatch; and other associated works).
Timeline
Dates from the published record
-
23 Dec 2025
Received by Kensington and Chelsea
-
1 May 2026
Decision issued: Grant Planning Permission/Consent
-
20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
55 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Kensington and Chelsea granted permission on 1 May 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 full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
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14 Cottesmore Gardens, London, W8 5PR
Details required by condition 12 (Trees and landscaping) and 7 (Construction Traffic Management Plan (CTMP)) of planning permission 26/00910 (Variation of condition 2 (Compliance with approved drawings) of planning permission ref. PP/24/08064 (Application for the creation of new single front door; demolition and reconstruction of closet wing with enlarged basement; formation of rear extension link and infill extensions with rear terrace; fenestration alterations to rear elevation, comprising of new windows and Juliette balconies; improvements to roof form, together with external plant and glazed maintenance access hatch; and other associated works) to allow for the extension of the approved basement by approximately 78sqm, reduction in the extent of courtyard at basement level and erection of trellis to sections of west boundary brick wall.)
Granted Conditions Extension Demolition +2 8 docs -
8 Cottesmore Gardens, London, W8 5PR
Rebuilding of existing front and rear dormers at main roof level and reinstating of continuous banister detail on top of front parapet
Granted Full applications Loft or dormer 15 docs -
17-19 Cottesmore Gardens, London, W8 5PR
Details required by Conditions 18 (Protection of trees during construction), 19 (Trees and landscaping) and 28 (Set up and installation of approved tree protection measures) of Planning Permission PP/24/01317 (Variation of condition 2 (Compliance with approved drawings) of planning permission PP/22/01399 (Change of use of Nos 17-19 Cottesmore Gardens from education use (Class F1a) to residential use (Class C3) to provide 5 apartments, addition of a mansard roof, partial demolition to the rear and provision of small rear extensions at ground, first and second floors, provision of terraces.) to allow: Relocation of the plant room; Inclusion of air bricks and vents; Amendments to the size of internal lift, internal layout (no changes to the mix of units) Lift overrun at roof level; Changes to fenestration (Major Development) (Conservation Area))
Granted Conditions New dwelling Extension +4 10 docsSeveral homes -
17-19 Cottesmore Gardens, London, W8 5PR
Details required by Conditions 13 (Air Quality Dust Management Plan (Demolition & Construction)) and 14 (Air Quality Dust Monitoring) of planning permission PP/24/01317 (Variation of condition 2 (Compliance with approved drawings) of planning permission PP/22/01399 (Change of use of Nos 17-19 Cottesmore Gardens from education use (Class F1a) to residential use (Class C3) to provide 5 apartments, addition of a mansard roof, partial demolition to the rear and provision of small rear extensions at ground, first and second floors, provision of terraces.) to allow:Relocation of the plant room;Inclusion of air bricks and vents; Amendments to the size of internal lift, internal layout (no changes to the mix of units)Lift overrun at roof level; Changes to fenestration (Major Development)(Conservation Area) )
Granted Conditions New dwelling Extension +3 5 docsSeveral homes -
8 Cottesmore Gardens, London, W8 5PR
Details required by condition 3 (CTMP) and 4 (professional management of engineering works) of planning permission 20/02231 (Provision of single storey basement level extension below lower ground floor and rear garden, with partial rear extension of lower ground floor to allow for ground floor terrace and associated internal and external alterations, including air conditioning units to roof and lift overun)
Granted Conditions Extension 8 docsSmall domestic -
17-19 Cottesmore Gardens, London, W8 5PR
Details required by Condition 14 (Air Quality Dust Monitoring) of planning permission PP/24/01317 (Variation of condition 2 (Compliance with approved drawings) of planning permission PP/22/01399 (Change of use of Nos 17-19 Cottesmore Gardens from education use (Class F1a) to residential use (Class C3) to provide 5 apartments, addition of a mansard roof, partial demolition to the rear and provision of small rear extensions at ground, first and second floors, provision of terraces.) to allow: Relocation of the plant room; Inclusion of air bricks and vents; Amendments to the size of internal lift, internal layout (no changes to the mix of units) Lift overrun at roof level; Changes to fenestration (Major Development))
Granted Conditions New dwelling Extension +3 5 docsSeveral homes
Other full applications
In Kensington and Chelsea
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PP/18/01985 Withdrawn
Flat 3, 24 Cornwall Gardens, London, SW7 4AW
Works to second floor flat including erection of rear extension, creation of external roof terrace areas above and to rear of said extension (with perimeter metal railings), together with internal alterations including removal of internal wall between kitchen and living room, and other refurbishment works
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PP/26/03176 Granted
12 Shawfield Street, London, SW3 4BD
Replacement windows, new rooflight and replacement lower ground rear rooflights.
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PP/26/03048 Granted
24 Charles II Place, London, SW3 4NG
Removal of existing conservatory structure. Construction of a single-storey rear extension at lower ground floor level. Installation of a contemporary three-panel sliding glazed door opening onto rear garden. Internal reconfiguration at lower ground floor level.
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PP/26/03042 Granted
Flat 7, 7 Egerton Place, London, SW3 2EF
Installation of air conditioning system including external condenser unit housed within enclosure at roof level. Replacement of roof lantern, rooflight and roof access hatch with flat glazed access hatch and rooflights. Replacement of two rear elevation uPVC windows with timber-framed slimline double-glazed sliding sash windows; and associated external alterations.
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PP/26/02897 Withdrawn
46 Evelyn Gardens, London, SW7 3BH
Positioning of two new external heat pump condensers within two separate acoustic enclosures, one on main roof of house and other on rear forth floor roof terrace.