Planning application
29 Montgomery Road Chiswick W4 5LZ
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey detached rear garden outbuilding for ancillary use to existing dwellinghouse (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 254157CPL
Application record
- Reference
- 254157CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 31 Oct 2025
- Validated
- 31 Oct 2025
- Decided
- 23 Dec 2025
- Ward
- Southfield
- Decision by
- Delegated Decision
- Postcode
- W4 5LZ
Timeline
Dates from the published record
-
31 Oct 2025
Received by Old Oak and Park Royal Development Corporation
-
23 Dec 2025
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
5 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
Old Oak and Park Royal Development Corporation granted permission on 23 December 2025, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
29 Montgomery Road Chiswick W4 5LZ
Single storey detached rear garden outbuilding for ancillary use to existing dwellinghouse (Lawful Development Certificate for a Proposed Development)
Granted Lawful development 5 docsSmall domestic -
Domestic
-
Domestic
-
1-3 Bollo Lane Chiswick London W4 5LW
Details of drainage pursuant to Condition 12 of planning permission ref: 203269FUL dated 13.05.2021 for: 'Four-storey building to provide nine self-contained dwellings (following demolition of existing structures); and associated amenity, cycle parking and waste storage spaces'
Granted Conditions Demolition 10 docs -
1-3 Bollo Lane Chiswick London W4 5LW
Details of drainage pursuant to Condition 12 of planning permission ref: 203269FUL dated 13.05.2021 for: 'Four-storey building to provide nine self-contained dwellings (following demolition of existing structures); and associated amenity, cycle parking and waste storage spaces'
Granted Conditions Demolition 10 docs -
1-3 Bollo Lane Chiswick London W4 5LW
Details of enhanced sound insulation in pursuant to condition 8 of planning application Ref: 203269FUL dated 13/05/2021 for 'Four-storey building to provide nine self-contained dwellings (following demolition of existing structures); and associated amenity, cycle parking and waste storage spaces.'
Granted Conditions Demolition 6 docs
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262843CPL Refused
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262774CPL Granted
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Alteration of roof from hip to gable end and rear roof extension; rear dormer enlargement; installation of three rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
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262610CPL Refused
6 Morden Gardens Greenford UB6 0LT
Single storey rear extension (following demolition of rear addition) (Lawful Development Certificate for a Proposed Development)
-
262475CPL Granted
80 Windmill Lane Greenford UB6 9DS
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262678CPL Granted
19 Southwell Avenue Northolt UB5 4DX
Rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)