Planning application
31 Cornwallis Road London N9 0JJ
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) with associated amenity, refuse and cycle storage involving single storey rear/side extension with rear dormer, rear outrigger dormer and front rooflights.
As published by the council, reference 26/03543/FUL
Application record
- Reference
- 26/03543/FUL
- Category
- Full applications
- Status
- Application in Progress
- Received
- 21 Aug 2026
- Validated
- 2 Sep 2026
- Postcode
- N9 0JJ
Site history
Applications at this address on the Enfield register
This site has had 3 applications since 2026: 2 approved, 0 refused.
-
26/03261/PRH Granted
31 Cornwallis Road London N9 0JJ
Single storey rear extension 6m deep x 3m high (3m high to eaves) and single storey infill extension 3.31m deep x 3m high (3m high to eaves).
-
26/03269/CEA Granted
31 Cornwallis Road London N9 0JJ
Single-storey infill extension, rear dormer with outrigger dormer and front roof lights involving removal of chimney stacks.
Timeline
Dates from the published record
-
21 Aug 2026
Received by Enfield
-
2 Sep 2026
Validated
Checked as complete and ready for consideration.
-
11 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 28 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Enfield took a median of 58 days over the applications it decided in the last year.
What happens while it is decided
This application is with Enfield for determination, against a statutory target of eight weeks. Over the last year Enfield decided full applications in a median of 70 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
31 Cornwallis Road London N9 0JJ
Single storey rear extension 6m deep x 3m high (3m high to eaves) and single storey infill extension 3.31m deep x 3m high (3m high to eaves).
Granted ExtensionSmall domestic -
31 Cornwallis Road London N9 0JJ
Single-storey infill extension, rear dormer with outrigger dormer and front roof lights involving removal of chimney stacks.
Granted Extension Loft or dormerSmall domestic -
30 Gordon Road London N9 0LU
Single storey rear extension 6m deep x 3m high (3m high to eaves).
Refused Prior approval Extension 6 docsSmall domestic -
30 Gordon Road London N9 0LU
Rear dormer, rear outrigger dormer involving front rooflights and single storey rear extension.
Refused Lawful development Extension Loft or dormer 6 docsSmall domestic -
30 Gordon Road London N9 0LU
Change of use from Use Class C3 (dwelling house) to Use Class C4 (HMO-house in multiple occupation) involving single storey rear extension, rear dormer, rear outrigger dormer, with front rooflights, associated amenity, cycle and refuse storage.
Granted Full applications Extension Loft or dormer 14 docsSmall domestic -
30 Gordon Road London N9 0LU
78% historically approved · decision due ~16 Oct
Single storey rear extension 6m deep x 3m high (3m high to eaves).
Awaiting decision Extension 4 docsSmall domestic
Other full applications
In Enfield
-
26/02607/FUL Refused
61 Catisfield Road Enfield EN3 6BB
Change of use from a single dwelling house (Use Class C3) to a 6 bedroom 8 persons house in multiple occupation- HMO (Sui Generis), involving single storey rear extension with rear dormer and front rooflights, provision of refuse and recycling bins and bike storage.
-
26/03194/FUL Granted
142A Chase Side London N14 5PP
Single storey rear extension.
-
26/02767/FUL Refused
85 Capel Road Enfield EN1 4SS
Change of use from Use Class C3 (dwelling house) to a Class Sui Generis (HMO - house in multiple occupation) involving part single, part 2-storey wraparound extension, rear dormer, front roof lights, with associated amenity, cycle and refuse storage.
-
26/03180/FUL Granted
393 Fore Street London N9 0NR
Installation of a commercial kitchen extract system, including external ductwork to the rear elevation.
-
26/02881/FUL Granted
Flat 2 25 Millais Road Enfield EN1 1EF
Rear dormer and rear outrigger dormer with front rooflights.