Planning application
Flat A, 27 Holland Street, London, W8 4NA
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Withdrawn before a decision, so it carries no planning weight. A revised scheme can be submitted at any time.
Proposal
Non-material amendment to planning permission 26/00643 (Proposed mansard roof extension, rebuilding of single storey rear extension and other external alterations including rear fenestration changes and new rooflight) to install air conditioning unit over rear flat roof, out of public view.
As published by the council, reference NMA/26/03114
Application record
- Reference
- NMA/26/03114
- Type
- Non-Material Amendments
- Status
- Withdrawn
- Decision
- Withdrawn by Applicant
- Received
- 12 Jun 2026
- Decided
- 29 Jun 2026
- Ward
- Campden
- Parish
- 03
- Postcode
- W8 4NA
Site history
Applications at this address on the Kensington and Chelsea register
This site has had 3 applications since 2025: 1 approved, 0 refused.
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NMA/26/03112 Decided
Flat A, 27 Holland Street, London, W8 4NA
Non-material amendment to planning permission 26/00643 (Proposed mansard roof extension, rebuilding of single storey rear extension and other external alterations including rear fenestration changes and new rooflight) to allow enlargement of existing kitchen window to allow more natural light.
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PP/26/00643 Granted
Flat A, 27 Holland Street, London, W8 4NA
Proposed mansard roof extension, rebuilding of single storey rear extension and other external alterations including rear fenestration changes and new rooflight
Timeline
Dates from the published record
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12 Jun 2026
Received by Kensington and Chelsea
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29 Jun 2026
Decision issued: Withdrawn by Applicant
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20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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 withdrawal means
The applicant withdrew this application before Kensington and Chelsea decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
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Flat A, 27 Holland Street, London, W8 4NA
Proposed mansard roof extension, rebuilding of single storey rear extension and other external alterations including rear fenestration changes and new rooflight
Granted Full applications Extension Loft or dormer +1 30 docsSmall domestic -
Flat A, 27 Holland Street, London, W8 4NA
Non-material amendment to planning permission 26/00643 (Proposed mansard roof extension, rebuilding of single storey rear extension and other external alterations including rear fenestration changes and new rooflight) to allow enlargement of existing kitchen window to allow more natural light.
Decided Amendments Extension Loft or dormer +1 7 docsSmall domestic -
13 Holland Street, London, W8 4NA
Details required by conditions 4 (tree protection during construction) and 5 (trees and landscaping) of planning permission 21/03419 (Construction of single storey rear extension, with rooflight. Alterations to existing extension and ground floor rear doors. Internal reconfiguration, and renewal of electrical, plumbing and heating installations)
Refused Conditions Extension Loft or dormer +1 6 docsSmall domestic -
3 Gregory Place, London, W8 4NG
Alterations to the butterfly roof to extend the existing roof terrace garden
Granted Full applications 18 docs -
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20 Holland Street, London, W8 4LT
Details required by Condition 11 (submission of details - d) full schedule of repairs to brickwork, including means of removal of existing cementitious mortar;?e) sample panel of repointing and details of new mortar mix) of planning permission PP/23/04238 (Conversion of mixed use listed building into single residential dwelling; replacement of mansard roof; replacement of windows; installation of solar panels; construction of external bin and cycle storage; external alterations, landscaping and other associated works; internal works including removal of modern fixtures and fittings; installation of partitions, and other associated internal works)
Granted Conditions Loft or dormer Roofing +1 10 docsDomestic
Other amendment 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