Planning application
137 Ash Grove, Hounslow, TW5 9DX
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for the existing use of a House in Multiple Occupation (C4)
As published by the council, reference P/2025/2678
Application record
- Reference
- P/2025/2678
- Type
- Lawful Development Certificate (Existing)
- Status
- Decided: GRANT
- Decision
- GRANT
- Received
- 3 Sep 2025
- Validated
- 8 Sep 2025
- Decided
- 16 Oct 2025
- Ward
- Heston West
- Postcode
- TW5 9DX
Site history
Applications at this address on the Hounslow register
This site has had 2 applications since 2024: 2 approved, 0 refused.
-
P/2024/2699 Granted
137 Ash Grove, Hounslow, TW5 9DX
Certificate of lawfulness for the existing change of use from a residential dwelling (C3) to house of multiple occupation (C4)
Timeline
Dates from the published record
-
3 Sep 2025
Received by Hounslow
-
8 Sep 2025
Validated
Checked as complete and ready for consideration.
-
16 Oct 2025
Decision issued: GRANT
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
6 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 16 October 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
-
137 Ash Grove, Hounslow, TW5 9DX
Certificate of lawfulness for the existing change of use from a residential dwelling (C3) to house of multiple occupation (C4)
Granted Lawful development 7 docsDomestic -
153 Ash Grove, Hounslow, TW5 9DX
76% historically approved · decision due ~20 Mar
Creation of vehicular access to the house
Awaiting decision Householder 4 docsDomestic -
258 Ash Grove, Hounslow, TW5 9DY
Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 metres high to the eaves.
Refused Prior approval Extension 5 docs -
7 LYNMOUTH GARDENS, HOUNSLOW, TW5 9DZ
Ground floor rear extension 5.95 metres deep, maximum height of 3.63 metres, 2.75 metres high to the eaves
Granted Prior approval Extension 5 docs -
5 Lynmouth Gardens, Hounslow, TW5 9DZ
Conversion of a single family house into a six bedroom house in multiple occupation
Withdrawn Full applications 18 docs -
67 Ash Grove, Hounslow, TW5 9DU
Ground floor rear extension 5.00 metres deep, maximum height of 3.00 metres, 3.00 metres high to the eaves
Granted Prior approval Extension 6 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.