Planning application
17 Conolly Road Hanwell W7 3JW
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Rear roof extension; rear outrigger roof extension; installation of two rooflights to front roofslope (Lawful Development Certificate for Proposed Development)
As published by the council, reference 231939CPL
Application record
- Reference
- 231939CPL
- Type
- Certificate of Lawfulness - Proposed
- Status
- Permitted Development
- Decision
- Granted As published: Permitted Development
- Received
- 17 May 2023
- Validated
- 17 May 2023
- Decided
- 2 Jun 2023
- Ward
- Hanwell Broadway
- Decision by
- Delegated Decision
- Postcode
- W7 3JW
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 3 applications since 2023: 3 approved, 0 refused.
-
243199CND Granted
17 Conolly Road Hanwell W7 3JW
Details of enhanced sound insulation value pursuant to condition 7 of planning application reference: 241830FUL dated 18.07.2024 'Conversion of existing house into 2 self-contained flats associated external alterations and provision amenity space, cycle storage and refuse storage facilities.'
-
243240CND Granted
17 Conolly Road Hanwell W7 3JW
Details of Noise Assessment pursuant to condition 8 of planning application reference: 241830FUL dated 18.07.2024 'Conversion of existing house into 2 self-contained flats associated external alterations and provision amenity space, cycle storage and refuse storage facilities.'
Timeline
Dates from the published record
-
17 May 2023
Received by Old Oak and Park Royal Development Corporation
-
2 Jun 2023
Decision issued: Permitted Development
-
12 Oct 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
8 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.
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 2 June 2023, 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
-
17 Conolly Road Hanwell W7 3JW
Details of enhanced sound insulation value pursuant to condition 7 of planning application reference: 241830FUL dated 18.07.2024 'Conversion of existing house into 2 self-contained flats associated external alterations and provision amenity space, cycle storage and refuse storage facilities.'
Granted Conditions New dwelling 6 docs -
17 Conolly Road Hanwell W7 3JW
Details of Noise Assessment pursuant to condition 8 of planning application reference: 241830FUL dated 18.07.2024 'Conversion of existing house into 2 self-contained flats associated external alterations and provision amenity space, cycle storage and refuse storage facilities.'
Granted Conditions New dwelling 7 docs -
17 Conolly Road Hanwell W7 3JW
Details of Noise Assessment pursuant to condition 8 of planning application reference: 241830FUL dated 18.07.2024 'Conversion of existing house into 2 self-contained flats associated external alterations and provision amenity space, cycle storage and refuse storage facilities.'
Granted Conditions New dwelling 7 docs -
17 Conolly Road Hanwell W7 3JW
Details of enhanced sound insulation value pursuant to condition 7 of planning application reference: 241830FUL dated 18.07.2024 'Conversion of existing house into 2 self-contained flats associated external alterations and provision amenity space, cycle storage and refuse storage facilities.'
Granted Conditions New dwelling 6 docs -
15 Conolly Road Hanwell W7 3JW
94% historically approved · decision due ~7 Apr
Details of a desk top study for sound insulation of building envelope pursuant to condition 8 of planning permission ref: 252703FUL dated 14/11/2025 for: Conversion of an existing 3-bedroom dwelling into two flats with amenity space, refuse and cycle parking
Awaiting decision Conditions New dwelling 4 docsSeveral homes -
15 Conolly Road Hanwell W7 3JW
94% historically approved · decision due ~7 Apr
Details of enhanced sound insulation measures pursuant to condition 11 of planning permission ref: 252703FUL dated 14/11/2025 for: Conversion of an existing 3-bedroom dwelling into two flats with amenity space, refuse and cycle parking
Awaiting decision Conditions New dwelling 4 docsSeveral homes
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)