Planning application
20 Challis Road, Brentford, TW8 9PR
Works: Extension Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for the proposed erection of a rear roof extension with front roof windows to the house, rear juliet balcony and removal of a rear chimney.
As published by the council, reference P/2025/2693
Application record
- Reference
- P/2025/2693
- Type
- Lawful Development Certificate (Proposed)
- Status
- Decided: GRANT
- Decision
- GRANT
- Received
- 5 Sep 2025
- Validated
- 23 Oct 2025
- Decided
- 17 Dec 2025
- Ward
- Brentford West
- Postcode
- TW8 9PR
Site history
Applications at this address on the Hounslow register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
PA/2025/2694 Granted
20 Challis Road, Brentford, TW8 9PR
Ground floor rear extension 5.00 metres deep, maximum height 3.47 metres, 3.47 metres high to the eaves.
Timeline
Dates from the published record
-
5 Sep 2025
Received by Hounslow
-
23 Oct 2025
Validated
Checked as complete and ready for consideration.
-
17 Dec 2025
Decision issued: GRANT
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
4 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
Hounslow granted permission on 17 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
-
20 Challis Road, Brentford, TW8 9PR
Ground floor rear extension 5.00 metres deep, maximum height 3.47 metres, 3.47 metres high to the eaves.
Granted Prior approval Extension 4 docs -
16 CHALLIS ROAD, BRENTFORD, TW8 9PR
Ground floor rear extension 5 metres deep, maximum height of 3 metres, 2.70 metres high to the eaves
Granted Prior approval Extension 4 docs -
1 Clements Place, Brentford, TW8 9PS
Erection of single storey rear extension and a detached outbuilding for use as a gym and storage in the rear garden.
Granted Householder Extension 17 docsSmall domestic -
3a York Parade, Great West Road, Brentford, TW8 9AA
Erection of a two storey self-contained office and commercial storage building (Sui Generis) at the rear of the building's rear courtyard.
Refused Full applications 15 docs -
9, York Parade Great West Road, Brentford, TW8 9AA
Change of use from restaurant Class Eb to dental surgery Class Ee.
Withdrawn Full applications 5 docs -
York House, York Parade Great West Road, Brentford, TW8 9AA
EXTERNAL ALTERATIONS AND EXTENSIONS TO FLAT BLOCK COMPRISING NEW WINDOWS TO THE FRONT AND REAR ELEVATIONS AT 4TH AND 5TH FLOOR LEVELS AND REAR EXTENSIONS FOR KITCHEN AND BEDROOM ACCOMMODATION TO FLAT 9 AT 4TH AND 5TH FLOOR LEVELS.
Withdrawn Full applications Extension Windows or glazing 13 docs
Other lawful development applications
In Hounslow
-
P/2026/2033 Granted
3 Benedict Drive, Feltham, TW14 8JH
Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion with windows to the front and side of the house.
-
P/2026/2027 Granted
115 Northumberland Crescent, Feltham, TW14 9SP
Certificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.
-
P/2026/2009 Granted
3 Brainton Avenue, Feltham, TW14 0AZ
Certificate of lawfulness for the proposed erection of a rear roof extension and Juliette balcony with front roof windows to the house.
-
P/2026/2014 Granted
82 Sussex Avenue, Isleworth, TW7 6LB
Certificate of lawfulness for the proposed erection of a rear roof extension, a porch to the front of the house, and a front roof window.
-
P/2026/2473 Awaiting decision
16 Somerset Waye, Hounslow, TW5 9HG
Certificate of lawfulness for the proposed erection of a rear roof extension with two roof windows to the front and alterations to the existing side roof from flat roof to pitched roof.