Planning application
262155CPL
Electricity Sub Station 29M From 24 Copenhagen Gardens 23M From Unnamed Road Copenhagen Gardens Chiswick W4 5NN
Proposal
Replacement of existing transformer units B1MT and B2MT with new transformer plant and the erection of associated protection structures and ancillary works within the existing Southfield Road Substation operational boundary (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 262155CPL
Timeline
Dates from the published record
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27 May 2026
Received by Old Oak and Park Royal Development Corporation
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27 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Old Oak and Park Royal Development Corporation for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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262155CPL Awaiting decision
Electricity Sub Station 29M From 24 Copenhagen Gardens 23M From Unnamed Road Copenhagen Gardens Chiswick W4 5NN
Replacement of existing transformer units B1MT and B2MT with new transformer plant and the erection of associated protection structures and ancillary works within the existing Southfield Road Substation operational boundary (Lawful Development Certificate for a Proposed Development)
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224845FUL Refused
Clubrooms Adjacent To 317 Acton Lane Acton London W3 8NT
Construction of two detached buildings of three and four stories to provide a total of seven self-contained residential units
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224845FUL Refused
Clubrooms Adjacent To 317 Acton Lane Acton London W3 8NT
Construction of two detached buildings of three and four stories to provide a total of seven self-contained residential units
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251639FUL Awaiting decision
11 Fletcher Road Chiswick W4 5AT
Rear roof extension; rear outrigger roof extension; installation of two rooflights to front roof slope; alterations to rear fenestrations involving creation of balcony to rear first floor; replacement of external staircase (Retrospective Application)
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251639FUL Awaiting decision
11 Fletcher Road Chiswick W4 5AT
Rear roof extension; rear outrigger roof extension; installation of two rooflights to front roof slope; alterations to rear fenestrations involving creation of balcony to rear first floor; replacement of external staircase (Retrospective Application)
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243745FUL Granted
17A Petersfield Road Acton W3 8NY
Rear roof extension to main roofslope incorporating a raised ridge height, and juliet balcony; part roof extension to rear outrigger; and installation of three rooflights to front roofslope
Other lawful development applications
In Old Oak and Park Royal Development Corporation
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262398CPL Granted
22 Endsleigh Road West Ealing W13 0RE
Rear dormer roof extension to rear (main) roofslope (involving conversion of roofspace to habitable use); rear dormer roof extension to rear outrigger; (following demolition of existing chimney stack above roof level to rear outrigger); installation of two rooflight to front roofslope; and associated internal alterations (Application for a Lawful Development Certificate for a Proposed Development)
-
262426CPL Granted
8 Oakfield Gardens Greenford UB6 8SD
Single storey rear garden outbuilding (Lawful Development Certificate for a Proposed Development)
-
253362OPDLDE Decided
13 Wendover Court Western Avenue Acton W3 0TG
Continued use of property (Use Class C3) as House in Multiple Occupation (Use Class C4)(Lawful Development Certificate for Existing Use)
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260468CPL Granted
46 Rose Gardens Ealing W5 4JX
Replacement of windows, external doors, fixtures and fittings including front entrance canopy, fascias and rainwater goods; and all other associated internal and external alterations and improvements (Regulation 3 - Application by London Borough of Ealing) (Lawful Development Certificate for a Proposed Development)
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262275CPL Granted
19 Gordon Road Southall UB2 5QE
Rear roof extension; rear outrigger roof extension; installation of two rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)