Planning application
8 Cornwallis Square, London, N19 4LY
Works: Extension Loft or dormer Roofing
Withdrawn before a decision, so it carries no planning weight. A revised scheme can be submitted at any time.
Proposal
Front roof slope insertion of rooflight not to exceed 150mm high; rear roof slope creation of flat dormer roof not to exceed 40m3, set back from eaves by minimum 200mm, and not to exceed existing ridge height; ground floor rear extension not to exceed 3m length, flat roof/eaves not to exceed 3m high.
As published by the council, reference P2025/3436/COL
Application record
- Reference
- P2025/3436/COL
- Type
- Certificate of Lawfulness (Proposed)
- Status
- WITHDRAWN AFTER VALID
- Decision
- WITHDRAWN AFTER VALID
- Received
- 8 Dec 2025
- Validated
- 15 Dec 2025
- Ward
- Tollington
- Postcode
- N19 4LY
Site history
Applications at this address on the Islington register
This site has had 3 applications since 2025: 2 approved, 0 refused.
-
P2026/1370/FUL Granted
8 Cornwallis Square, London, N19 4LY
Installation of externally-mounted flue to rear elevation.
-
P2026/0215/FUL Granted
8 Cornwallis Square, London, N19 4LY
Erection of ground floor single storey rear extension, loft conversion and dorme
Timeline
Dates from the published record
-
8 Dec 2025
Received by Islington
-
15 Dec 2025
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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 withdrawal means
The applicant withdrew this application before Islington decided it, and is free to submit a revised scheme at any time. 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
-
8 Cornwallis Square, London, N19 4LY
Installation of externally-mounted flue to rear elevation.
Granted HouseholderDomestic -
8 Cornwallis Square, London, N19 4LY
Erection of ground floor single storey rear extension, loft conversion and dorme
Granted Householder Extension Loft or dormerSmall domestic -
87 Marlborough Road, London, N19 4PA
Erection of mansard roof extension.
Granted Full applications Extension Loft or dormer 11 docs -
89 Marlborough Road, London, N19 4PA
Certificate of lawfulness (proposed) for addition of a second storey to existing
Withdrawn Lawful development -
89 Marlborough Road, London, N19 4PA
Erection of single storey rear extension
Granted Householder ExtensionSmall domestic -
Ground Floor Flat, 101 Marlborough Road, London, N19 4PA
Single storey side extension to ground floor flat and replacement front bay sash
Granted Full applications Extension Windows or glazingSmall domestic
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Certificate of lawful development (Proposed) for rear loft conversion with rear
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