Planning application
41 The Birches London N21 1NJ
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey rear extension submitted pursuant to prior approval ref: 26/01663/PRH.
As published by the council, reference 26/02361/CEA
Application record
- Reference
- 26/02361/CEA
- Type
- Cert of Lawful Use/Operation - Proposed
- Status
- Decided
- Decision
- Granted
- Received
- 5 Jun 2026
- Validated
- 5 Jun 2026
- Decided
- 15 Jul 2026
- Ward
- Southgate
- Decision by
- Delegated Decision
- Postcode
- N21 1NJ
Timeline
Dates from the published record
-
5 Jun 2026
Received by Enfield
-
15 Jul 2026
Decision issued: Granted
-
26 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
CASA Architecture + Design, Ltd Agent, an architecture practice registered in London
Active · incorporated 2019 · London
13 applications on PlanIndex · across 4 councils · 64% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
10 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
Enfield granted permission on 15 July 2026, 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
-
40 The Birches London N21 1NL
77% historically approved · decision due ~3 Sep
Non material amendment to reference 24/02271/HOU to allow a reduction in size to the front bay window on new side extension.
Decided Amendments Extension Windows or glazing -
40 The Birches London N21 1NL
Part single part two storey side and rear extensions with 2 x roof lights at the front and rear.
Refused Householder Extension Loft or dormer 20 docsDomestic -
The Birches 22 Winchmore Hill London N21 1NL
Two storey side extension and single storey rear extension together with rear dormer with Juliette balcony and side dormer, with front rooflight, front entrance porch and construction of hardstanding in connection with vehicular access.
Withdrawn Householder Extension Loft or dormer 20 docsSmall domestic -
14 Holly Hill London N21 1NP
Single storey rear extension together with demolition of detached garage at rear and erection of additional attached extension to be used as an office.
Granted Householder Extension Demolition 12 docsSmall domestic -
30 Oakwood Crescent London N21 1PB
Conversion of garage to habitable room with changes to front facade.
Granted Householder 9 docsDomestic -
28 Oakwood Crescent London N21 1PB
Extension of roof to side to form gable with flank window, rear dormer and front roof lights.
Granted Lawful development Extension Loft or dormer +1 6 docs
Other lawful development applications
In Enfield
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26/02977/CEA Granted
89 Wilbury Way London N18 1BX
Single storey rear extension, rear dormer and front rooflights.
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26/02934/CEA Granted
2 St Andrews Road London N9 8DB
Extension of roof at side to form gable, rear dormer and front roof lights.
-
26/02994/CEA Granted
88 Greenwood Avenue Enfield EN3 5DX
Rear dormer with front rooflights.
-
26/02921/CEA Granted
40 Woodstock Crescent London N9 7LY
Rear dormer with front roof lights.
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26/02940/CEA Granted
53 Clarence Road Enfield EN3 4BN
Rear dormer, dormer to rear outrigger and front roof lights.