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27 The Birches London N21 1NJ

26/00952/HOUHouseholderApproved

Approved on 8 May 2026

Delegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Demolition of existing garden shed and outdoor toilet, with construction of single storey rear extension with first floor side/rear extension, with replacement and additional window at side elevation, associated alterations to the rear patio and boundary fence.

Received
11 March 2026
Decision level
Delegated (officer decision)
Ward
Southgate
Agent
CASA Architecture + Design
  1. Received11 Mar
  2. Validated24 Mar
  3. Consult.15 Apr
  4. Target17 May
  5. Decided8 May

Decided in 45 days (council typically 49)

About this application

This is a full planning application for demolition at 27 The Birches London N21 1NJ. Enfield has handled 1,569 applications of this type. This one was decided in 58 days, 9 days longer than Enfield's typical decision time. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 165 applications across Southgate. We hold 745 applications in total for the N21 postcode area.

72% of full applications at London Borough of Enfield were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
N21 1NJ
Application type
Householder
Scale / size
Small

Planning application dates

Date validated
24 March 2026
Consultation expiry
19 April 2026
Consultation start
25 March 2026
Consultation end
15 April 2026
Neighbour consultation start
26 March 2026
Neighbour consultation end
19 April 2026
Last date for comments
19 April 2026
Target decision date
17 May 2026

Applicant and agent

Agent
CASA Architecture + Design
Architect profile
CASA ARCHITECTURE + DESIGN LTD
Agent address
13 Hyde Park Gardens London N21 2PN

Planning decision

Statutory period
54 days

Additional information

Planning Portal ID
PP-14771628
Comments
0
Documents
17
Constraints
11

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Borough wide
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Enfield

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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