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 Ealing
-
24 Feb 2026
Decision issued: Permitted Development
-
11 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
Ealing 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 Ealing
-
262746CPL Granted
10 St Margarets Road Hanwell W7 2PP
Landscaping works to front driveway, side access and part rear garden (Lawful Development Certificate for a Proposed Development)
-
262815CPL Granted
56 Horsenden Lane North Greenford UB6 0PA
Single storey rear extension (following demolition of existing conservatory) (Lawful Development Certificate for a Proposed Development)
-
262812CPL Granted
79 Sussex Road Southall UB2 5EF
Rear roof extension; installation of two rooflights to front roofslope (Lawful Development Certificate for a Proposed Development)
-
262777CPL Granted
244 Allenby Road Southall UB1 2HW
Single-storey detached rear garden outbuilding for use as gym/storage (Lawful Development Certificate for a Proposed Development)
-
262788CPL Granted
7 Kent Avenue West Ealing W13 8BE
Alteration of roof from hip to gable end (following removal of chimney stack), rear roof extension incorporating a Juliet balcony; installation of three front rooflights (Lawful Development Certificate for a Proposed Development)