20 Firs Park Gardens London N21 2PX Data via plota.co.uk

26/02871/PRH - Class A HH - Prior Approval Approved
Extensions & alterations

Proposal

Single storey rear extension 4m deep x 3.595m high (2.35m high to eaves). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
6 Jul 2026
✓
Consultation
14 Jul 2026
✓
Approved
13 Aug 2026

Approved on 13 Aug 2026 · Delegated Decision · Last checked 25 Sept 2026

Documents 4

Decision & officer reports 2

PDF Officer Report Officer Report · 14 Aug 2026 View ↗ PDF Decision Notice Decision Notice · 13 Aug 2026 View ↗

Application forms 2

PDF Community Infrastructure Levy ? Completed Form Community Infrastructure Levy ? Completed Form · 6 Jul 2026 View ↗ PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form - Without Personal Data · 6 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 4

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 Named permitted development rights are withdrawn here.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; Public transport access: PTAL 1a (very poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.

Sales history 1

Last sold for £325,000 in July 2013. Semi-detached house, freehold.

23 July 2013£325,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area87 m² (936 sq ft)
Energy ratingE (50 out of 100), could reach B
PropertySemi-detached house, 3 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2013, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Enfield
Application type
Class A HH - Prior Approval
Postcode
N21 2PX
Received
6 Jul 2026
Validated
6 Jul 2026
Ward
Bush Hill Park
Case officer
Show
Target decision
17 Aug 2026
Decision
No Objection PA Not Required
Decision date
13 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
ELA Design

How this decision compares

Decided in 38 days from validation, 6 days faster than Enfield's median of 44 for extensions. Approved, as 82% of extensions here are.

90%decided within 8 weeks
82%approved
1,770decided 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.

3 neighbours consulted · Last counted 25 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PLP-00004632
Neighbours
14 Jul 2026
Consultation
14 Jul 2026
Comments by
7 Aug 2026
Statutory expiry
17 Aug 2026
Env. assessment
No

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2020 Approved
Rear dormer with rooflights to front elevation.
20/02681/CEA
Within ~100m

Nearby activity

2024 Approved
50 Firs Lane London N21 3HX
Demolishing existing garage and formation of a new garage and summerhouse.
24/03043/HOU
2024 Approved
87 Halstead Road London N21 3DR
Extension to roof to form gable end, rear dormer with Juliet balcony and front roof light…
24/02088/CEA
2024 Refused
50 Firs Lane London N21 3HX
Demolishing of an existing garage, and formation of a new garage and summerhouse.
24/01519/HOU
2024 Approved
1 Firs Park Gardens London N21 2PX
Single storey rear extension.
24/01138/HOU
2024 Approved
101A Halstead Road London N21 3DR
New end-of-terrace 2-storey dwelling house (retrospective); and erection of single storey…
24/00104/FUL
2023 Approved
85 Hyde Park Avenue London N21 2PL
Conversion of garage into habitable room involving alterations to front elevation involvi…
23/00550/HOU
2022 Approved
11 Firs Park Gardens London N21 2PX
Extension to roof at side to form gable end with rear dormer and front rooflights.
22/03823/CEA
2022 Approved
Land Rear Of 101 Halstead Road London N21 3DR
Construction of detached 3 bed dwelling house with lower ground floor level.
22/03006/FUL
2022 Approved
13 Hyde Park Gardens London N21 2PN
Rear dormer with front roof lights.
22/00372/CEA
2021 Refused
13 Hyde Park Gardens London N21 2PN
Rear dormer with front rooflights.
21/04592/CEA
2021 Approved
Land To Rear Of 101 Halstead Road London N21 3DR
Redevelopment of site by the erection of a detached dwelling house at rear, with lower gr…
21/00544/FUL
2021 Approved
47 Firs Park Gardens London N21 2PX
Outbuilding at rear.
21/03120/HOU
2020 Approved
33 Firs Park Gardens London N21 2PX
Single storey rear extension, front porch and conversion of garage into gym and storage w…
20/03007/HOU
2021 Approved
3 Firs Park Gardens London N21 2PX
Single storey rear extensions.
21/00404/HOU
2020 Approved
63 Hyde Park Avenue London N21 2PL
Replacement outbuilding at rear.
20/04201/HOU
2020 Approved
5 Firs Park Gardens London N21 2PX
Single storey rear extension.
20/02962/HOU
2020 Refused
63 Hyde Park Avenue London N21 2PL
Replacement outbuilding at rear.
20/01331/HOU
2020 Approved
11 Firs Park Gardens London N21 2PX
Single storey rear extension 6m deep x 3m high (2.88m high to eaves).
20/01213/PRH
2019 Refused
Land To Rear Of 101 Halstead Road London N21 3DR
Redevelopment of site by the erection of a detached 2-bed dwelling house, with lower grou…
19/04365/FUL
2019 Approved
101 Halstead Road London N21 3DR
Sub-division of site and internal alterations to facilitate an end-of-terrace 2-storey dw…
19/04348/FUL
2017 Approved
5 Firs Park Gardens London N21 2PX
Alterations to roof to form gable end, rear dormer and roof lights to front.
17/05159/CEA
2017 Withdrawn
49 Firs Park Gardens London N21 2PX
Outbuilding to rear of garden.
17/04509/HOU
2017 Refused
49 Firs Park Gardens London N21 2PX
Outbuilding at rear.
17/03637/HOU
2016 Approved
53 Hyde Park Avenue London N21 2PL
Single-storey rear extension 3.6m deep x 2.9m high (2.6m high to eaves)
16/00822/PRH
2016 Approved
63 Hyde Park Avenue London N21 2PL
Rear dormer with patio doors, roof lights and Juliette balcony together with extension of…
16/00031/CEA
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.