Planning application
NMA/25/05045
The Cottage, 238 Walmer Road, London, W11 4PQ
Proposal
Non-material amendment to planning permission 25/02165 to update approved casement windows with timber-textured, white uPVC windows, retain identical style, proportions, colour, and opening configuration as approved for dormer windows on the front and rear elevations; update approved timber French door with aluminium-framed, white French door, retain identical style, proportions, colour, and opening configuration as approved; and update approved casement windows with timber-textured, white uPVC windows, retain identical style, proportions, colour, and opening configuration as approved for rear extension casement windows
As published by the council, reference NMA/25/05045
Timeline
Dates from the published record
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22 Aug 2025
Received by Kensington and Chelsea
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12 Sep 2025
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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NMA/25/05247 Withdrawn
The Cottage, 238 Walmer Road, London, W11 4PQ
Non-material amendment to planning permission PP/25/02165 (Proposed roof replacement, dormer windows on front and rear elevation with associated loft conversion, first floor rear extension, changes to rear store) for the dormer cheeks to be clad in tiles rather than lead.
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CON/25/04795 Granted
The Cottage, 238 Walmer Road, London, W11 4PQ
Details required by conditions 7 (Flood Risk Assessment/Sustainable Drainage Systems Strategy) and 9 (Protection of trees during construction) of planning permission 25/02165 (Proposed roof replacement, dormer windows on the front and rear elevation with associated loft conversion, first floor rear extension, changes to the rear store and other associated changes)
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PP/23/00126 Granted
12 Avondale Park Road, London, W11 4HL
Variation of Condition 2 (compliance with approved drawings) of planning permission PP/20/05795 for changes to internal layout involving removal of internal staircases
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PP/21/00962 Granted
228-234 Walmer Road, London, W11 4ER
Replacement of all existing windows with UPVC framed, double glazed window units.
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PP/26/00456 Granted
114 Portland Road, London, W11 4LX
Reduction in height of already installed roof level fence between 114 & 116 Portland Road.?(Part retrospective)
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ARB/25/05839 Granted
101B Clarendon Road, London, W11 4JG
Prune various as specified
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