Planning application
14 Bollo Lane Chiswick W4 5LP
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Conversion of roof space into habitable room with rear dormer extension; installation of three rooflights to front roofslopes; and associated internal alterations (Application for a Lawful Development Certificate for a Proposed Development)
As published by the council, reference 261243CPL
Application record
- Reference
- 261243CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Permitted Development
- Received
- 23 Mar 2026
- Validated
- 23 Mar 2026
- Decided
- 12 May 2026
- Ward
- Southfield
- Decision by
- Delegated Decision
- Postcode
- W4 5LP
Timeline
Dates from the published record
-
23 Mar 2026
Received by Old Oak and Park Royal Development Corporation
-
12 May 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in London
432 applications on PlanIndex · across 65 councils · 93% granted
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See who's behind itDocuments
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.
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Open the documentsWhat this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 12 May 2026, 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
-
14 Bollo Lane Chiswick W4 5LP
Conversion of roof space into habitable room with rear dormer extension; installation of three rooflights to front roofslopes; and associated internal alterations (Application for a Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Loft or dormer 7 docs -
11 Ivy Crescent Chiswick London W4 5NG
Rear roof extension; and rear outrigger roof extension incorporating a Juliet balcony and side window; following removal of rear outrigger chimney (Lawful Development Certificate for Proposed Development)
Granted Lawful development Extension Windows or glazing 8 docs -
11 Ivy Crescent Chiswick London W4 5NG
Rear roof extension and installation of two roof lights to front roof slope
Granted Householder Extension Loft or dormer 11 docsDomestic -
11 Ivy Crescent Chiswick London W4 5NG
Rear roof extension and installation of two roof lights to front roof slope
Granted Householder Extension Loft or dormer 11 docsDomestic -
11 Ivy Crescent Chiswick London W4 5NG
Rear roof extension; and rear outrigger roof extension incorporating a Juliet balcony and side window; following removal of rear outrigger chimney (Lawful Development Certificate for Proposed Development)
Granted Lawful development Extension Windows or glazing 8 docs -
13 Ivy Crescent Chiswick W4 5NG
Rear roof extension; rear outrigger roof extension; installation of two rooflights to front roofslope
Granted Householder Extension Loft or dormer 11 docsDomestic
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
262843CPL Refused
29 Nutfield Gardens Northolt UB5 6LU
Alteration of roof from hip to gable end, rear roof extension; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)
-
262774CPL Granted
133 Cleveland Road West Ealing W13 0EN
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)
-
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)