Planning application
23 Derwentwater Road Acton W3 6DE
Works: Extension Demolition Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Alteration to existing single storey rear extension; demolition of existing rear addition; alterations to rear fenestration, including installation of a new sliding patio door and installation of raised patio (Lawful Development Certificate for a Proposed Development)
As published by the council, reference 260480CPL
Application record
- Reference
- 260480CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Granted As published: Permitted Development
- Received
- 6 Feb 2026
- Validated
- 6 Feb 2026
- Decided
- 24 Feb 2026
- Ward
- South Acton
- Decision by
- Delegated Decision
- Postcode
- W3 6DE
Timeline
Dates from the published record
-
6 Feb 2026
Received by Old Oak and Park Royal Development Corporation
-
24 Feb 2026
Decision issued: Permitted Development
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Mario Pilla Architects Ltd Agent, an architecture practice registered in London
Active · incorporated 2005 · London
7 applications on PlanIndex · across 5 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
- OFFICERS REPORT
- DECISION NOTICE
- AMENDED PLANS
- APPLICATIONFORMREDACTED
- SITE LOCATION PLAN
- BLOCK PLAN
- 3D VIEWS EXISTING AND PROPOSED INCLUDING DESIGN ACCESS STATEMENT
- DRAWING PACK- EXISTING AND PROPOSED DRAWINGS
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Old Oak and Park Royal Development Corporation granted permission on 24 February 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 0.3 miles
-
23 Derwentwater Road Acton W3 6DE
Alteration to existing single storey rear extension; demolition of existing rear addition; alterations to rear fenestration, including installation of a new sliding patio door and installation of raised patio (Lawful Development Certificate for a Proposed Development)
Granted Lawful development Extension Demolition +1 8 docsSmall domestic -
29 Derwentwater Road Acton London W3 6DF
Single storey rear extension.
Granted Householder Extension 10 docsSmall domestic -
29 Derwentwater Road Acton London W3 6DF
Single storey rear extension.
Granted Householder Extension 10 docsSmall domestic -
39 Derwentwater Road Acton London W3 6DF
Lean to single storey side extension (following demolition of existing lean to single storey side extension)
Withdrawn Lawful development Extension Demolition 7 docsSmall domestic -
11 Newburgh Road Acton W3 6DQ
Rear roof extension incorporating Juliet balcony to top floor flat
Refused Full applications Extension 10 docs -
11 Newburgh Road Acton W3 6DQ
Rear roof extension incorporating Juliet balcony to top floor flat
Refused Full applications Extension 10 docs
Other lawful development applications
In Old Oak and Park Royal Development Corporation
-
263142CPL Granted
42 Gloucester Road Acton W3 8PD
Roof extension to rear (main) roof slope; part rear roof extension to rear outrigger roof slope and installation of two roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
263690CPL Awaiting decision
133 Trinity Road Southall UB1 1ES
Rear roof extension, and installation of three roof lights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262683CPE Granted
1 Speldhurst Road Chiswick W4 1BX
Continuous use of conversion of the roof space to provide additional habitable accommodation, installation of rooflights to the front roof slope and a rear dormer and construction of a single-storey rear extension. External materials to match the existing dwelling (Lawful Development Certificate for an Existing Development)
-
254066CPE Refused
37 Robin Hood Way Greenford UB6 7QN
Use of ground floor flat and first/second floor flat (Use Class C3) as 2 x House in Multiple Occupation (Use Class C4) (Certificate of Lawfulness for an Existing Use)
-
262883CPL Granted
90 Church Road Hanwell W7 3BE
Rear roof extension (following removal of chimney); installation of two rooflight to front roofslope (Lawful Development Certificate for a Proposed Development)