15 Halstead Road London N21 3EG Data via plota.co.uk

26/04134/PRH - Class A HH - Prior Approval Application in Progress
Extensions & alterations

Proposal

Single storey rear extension 6m deep x 3m high (3m high to eaves). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
25 Sept 2026
Decision
Expected by 6 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 4 Nov 2026 and 14 Nov 2026, from Enfield's recent extensions.

Documents 1

Application forms 1

PDF Application Form - Without Personal Data Application Form - Without Personal Data · 25 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 3

Article 4 direction
Borough wide. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Enfield AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Enfield built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 3 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Other new applications on this street

26 Aug 2026Refused

Land Rear Of 101 Halstead Road London N21 3DR

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15 Halstead Road London N21 3EG

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1 Sept 2026Pending

15 Halstead Road London N21 3EG

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15 Sept 2026Pending

1 - 24 River Bank London N21 2AA

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4 Sept 2026Pending

50 Berkeley Gardens London N21 2BD

Vehicular crossover and associated hardstanding.

26/03787/HOU
8 Sept 2026Pending

15 Halstead Road London N21 3EG

Rear dormer roof extension and installation of 2 no. rooflights to the front roo...

26/03811/CEA
7 Sept 2026Pending

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Rear outbuilding used as a granny annexe ancillary to main dwelling.

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Important details

Council
Enfield
Application type
Class A HH - Prior Approval
Postcode
N21 3EG
Received
25 Sept 2026
Validated
25 Sept 2026
Ward
Bush Hill Park
Case officer
Show
Target decision
6 Nov 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Redwoods Projects

Decision outlook

Day 10 of the 56-day target. Enfield usually decides extensions by day 44.

Day 1046 days to the 56-day target
90%decided within 8 weeks
82%approved
1,712decided in the last year

Plota live figures for extensions decided by Enfield in the last twelve months, from validation. Enfield decision record →

Public comments

No public comments yet.

Last counted 3 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15178846
Statutory expiry
6 Nov 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025
4 Halstead Road London N21 3EH
Installation of rooflight to rear existing extension with replacement of window at rear e…
25/03089/HOU
2025
47 Ridge Road London N21 3EB
Demolition of existing garage and erection of single storey rear extension.
25/01825/HOU
2025 Approved
45 Ridge Road London N21 3EB
Demolition of existing garage and erection of single storey annexe at rear.
25/00523/HOU
2025
16 Halstead Road London N21 3EH
Single storey rear extension.
25/01161/HOU
2025
16 Halstead Road London N21 3EH
Rear dormer with front rooflights.
25/01135/CEA
2022 Approved
25A Halstead Road London N21 3EG
Single storey rear extension 5m deep x 3.00m high (3.00m high to eaves).
22/01740/PRH
2022 Approved
3 Griffins Close London N21 2EW
Rear and side dormers.
22/00448/HOU
2022 Approved
25A Halstead Road London N21 3EG
Single-storey rear extension, increase of roof height including rear dormer and front roo…
22/00234/HOU
2022 Approved
3 Griffins Close London N21 2EW
Conversion of garage into habitable room involving alterations to front ground floor elev…
22/00513/HOU
2021 Approved
5 Griffins Close London N21 2EW
Single storey side extension.
21/04712/HOU
2021 Withdrawn
3 Rowantree Road London N21 3ED
Part single, part two-storey rear extension, 1st floor side extension together with exten…
21/01311/HOU
2021 Refused
41 Ridge Road London N21 3EB
Part single, part 2-storey side extension and part single, part 2-storey rear extension.
21/01079/HOU
2020 Approved
3 Rowantree Road London N21 3ED
Extension to roof at side to form gable end with rear dormer, front rooflight and balustr…
20/03440/CEA
2019 Refused
5 Griffins Close Winchmore Hill London N21 2EW
Rear dormer with front and side rooflights, involving additional windows to side and rear…
19/00195/HOU
2018 Approved
3 Rowantree Road London N21 3ED
Part single, part 2-storey side / rear extension, with rear dormer, front rooflights and…
18/04655/HOU
2018 Refused
5 Griffins Close London N21 2EW
Rear dormer with front and side rooflights.
18/04456/HOU
2018 Withdrawn
3 Rowantree Road London N21 3ED
Part single, part 2-storey side / rear extension, with rear dormer and front rooflights.
18/03360/HOU
2018 Withdrawn
5 Griffins Close N21 2EW
Rear dormer, involving alterations to side and rear fenestrations, and rooflights to fron…
18/03536/CEA
2018 Approved
5 Griffins Close London N21 2EW
Conversion of garage into habitable room involving alterations to front elevation.
18/03546/HOU
2018 Refused
56 Colne Road London N21 2JP
Single storey rear extension and conversion of garage into habitable room to provide a gr…
18/00399/HOU
2017 Approved
52 Colne Road London N21 2JP
Extension to roof at side to form gable end with flank window, rear dormer, patio doors…
17/03013/CEA
2017 Approved
62 Colne Road London N21 2JP
Single storey side and rear extension.
17/01040/HOU
2016 Approved
41 Ridge Road London N21 3EB
Erection of hip to gable roof extension and rear dormer with Juliette balcony.
16/05714/CEA
2016 Approved
10 Rowantree Road London N21 3ED
Single storey rear extension.
16/02302/HOU
2016 Approved
4 Rowantree Road London N21 3ED
Single storey rear extension.
16/02049/FUL
Enfield
Planning Authority Score
6.9/10
Good
#65 of 296 councils
Relevant to this application:
Householder decisions

Enfield is one of the fastest councils in England for householder decisions, ranking #15 out of 296. Only 5% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Enfield is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Enfield decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #271 of 296
83%
Householder approved
Below avg (90%) #260 of 296
90%
Decided in 8 weeks
Above avg (63%) #15 of 296
5%
Extended time limit
Below avg (41%) #1 of 296
60%
Minor dwellings approved
265 decided (1-9 homes)
63%
Major dwellings approved
8 decided (10+ homes)
72%
Change of use approved
322 decided
1,939
Total decisions
433 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use