Planning application
NMA/26/02630
27 Lansdowne Road, London, W11 3AG
Proposal
Non-material amendment to planning permission ref. PP/21/00499 dated 23rd March 2021 [Variation of condition No.2 (compliance with approved drawings) of ref. PP/19/02857 dated 14th June 2016] to amend the wording of conditions 3 (materials - to match existing) and 4 (sash windows and doors in painted timber).
As published by the council, reference NMA/26/02630
Timeline
Dates from the published record
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14 May 2026
Received by Kensington and Chelsea
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14 Jul 2026
Decision issued: Reject Non-Material Amendment(s)
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20 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
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CON/26/02447 Granted
19 Lansdowne Road, London, W11 3AG
Details required by Condition 6 (Trees and landscaping- Details required) of planning permission PP/24/04650 (Removal of non-original garage and bedroom at ground floor level. Extension of closet wing outwards by 700 mm and set back 3000 mm from front facade of house. Rebuilding of front garden wall with fair face brick. Relocation of external front stairs down to lower ground floor. Construction of 16 m2 extension at lower ground floor to connect the existing spaces under the front garden. Rear infill extension at lower ground floor level).
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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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CON/26/01117 Granted
19 Lansdowne Road, London, W11 3AG
Details required by Condition 6 (Trees and Landscaping) of planning permission PP/24/04650 (Removal of non-original garage and bedroom at ground floor level. Extension of closet wing outwards by 700 mm and set back 3000 mm from front facade of house. Rebuilding of front garden wall with fair face brick. Relocation of external front stairs down to lower ground floor. Construction of 16 m2 extension at lower ground floor to connect the existing spaces under the front garden. Rear infill extension at lower ground floor level)
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ARB/25/06437 Granted
Gardens Lansdowne Walk, St John's Gardens, London
Prune 1 x London Plane
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PP/26/01957 Granted
Flat 5 First Floor, 28 Lansdowne Road, London, W11 3LL
Proposed rear extension comprising a link bridge along the rear elevation, connecting to the rear garden.
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CON/26/00305 Granted
26 Lansdowne Road, London, W11 3LL
Details required by Condition 12 (Analysis of soils and fills) of Planning Permission PP/22/01726 (Construction of basement to front of property and additional lightwell).
Other amendments applications
In Kensington and Chelsea
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NMA/26/04056 Awaiting decision
10 Kensington Palace Gardens, London, W8 4QP
Non-material amendment to planning permission PP/24/07201 to allow the reintroduction of an internal swimming pool to the lower ground/ undercroft of the main house, including associated works to internal servicing arrangements and spatial arrangement (including the omission of modern piers put forward under the Second Section 73 Application)
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NMA/26/04001 Awaiting decision
Land adjoining 2 Horbury Crescent, London, W11 3NF
Non-material amendment to planning permission PP/23/08263 (Construction of a two-bedroom residential dwelling across ground and basement levels.) relocation of stairs and internal partitions. Changes to rooflights and terrace areas.
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NMA/26/03986 Awaiting decision
30 Brompton Square, London, SW3 2AE
Non material amendment to planning permission 26/00660 (Variation of condition 2 (compliance with approved drawings) of planning permission 13/05535 (Redevelopment of lower ground floor in garden, excavation of two basement levels, replacement of glass pavilion, re-landscaping of rear garden and associated alterations) to allow for internal and external alterations to the approved scheme including reconfigured layouts, depths, and floor areas at basement levels 1,2, and 3, alterations to lightwells and introduction of a new lightwell; removal of the secondary staircase in the garden pavilion and the bridge over the rear lightwell and introduction of new york stone stairs at ground floor level; and changes to the lightwell and removal of the bridge at first floor level.) to remove the word 'glass' from the description above; i.e. (Variation of condition 2 (compliance with approved drawings) of planning permission 13/05535 (Redevelopment of lower ground floor in garden, excavation of two basement levels, replacement of pavilion, re-landscaping of rear garden and associated alterations) to allow for internal and external alterations to the approved scheme including reconfigured layouts, depths, and floor areas at basement levels 1,2, and 3, alterations to lightwells and introduction of a new lightwell; removal of the secondary staircase in the garden pavilion and the bridge over the rear lightwell and introduction of new york stone stairs at ground floor level; and changes to the lightwell and removal of the bridge at first floor level.)
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NMA/26/02562 Decided
Treadgold House, 25 Bomore Road, London, W11 4HD
Non-material amendment to planning permission PP/23/02367 dated 22 November 2022 (Alterations to existing facades including: installation of new external insulation system, replacement of all existing windows, works to balconies including addition of louvred shading, installation of new ground floor communal external doors and canopy; Alterations at roof level including:removal and replacement of roof system and guarding, construction of new parapet upstand, installation of photovoltaic panels; Replacement of all rainwater goods (amended description).) to allow the addition of a 2100 mm Width x 800 mm Deep x 1600 mm Height GRP white enclosure located to the South Elevation at Ground Floor Level; addition of No3 satellite grey dishes 775mm x 775mm with non-penetrating roof mount 1200mm x 1200mm located on the roof; revised ASHP pipework arrangement; and addition of No3 maintenance access step units (galvanised non-combustible stairs.
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NMA/26/02178 Withdrawn
17-19 Cottesmore Gardens, London, W8 5PR
Non-material amendment to planning permission PP/24/01317 to allow design updates, including revisions to the demolition drawings, removal of planters from non-accessible terraces and modifications to skylights and dry riser inlets