20 Hillside Gardens Barnet EN5 2NJ
Approved on 17 November 2022
Council decision: Approve subject to conditionsDelegated (officer decision)
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
Single storey side/rear extension. New front hard standing for parking. Replacement of existing garage doors and conversion of garage into habitable room
- Received
- 22 September 2022
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Barnet
- Ward
- Underhill
- Agent
- Alan Cox Associates Ltd
- ReceivedReceived22 Sep
- ValidatedValidated22 Sep
- Consult.Consultation24 Oct
- TargetTarget Date17 Nov
- DecidedDecided17 Nov
Decided in 56 days (council typically 56)
About this application
This is a full planning application for a rear extension at 20 Hillside Gardens Barnet EN5 2NJ. Barnet has handled 4,516 applications of this type. This one was decided in 56 days. There have been 2 other applications at this address. In the past year there have been 71 applications across Underhill. We hold 3,747 applications in total for the EN5 postcode area.
77% of full applications at London Borough of Barnet were approved. Across all application types, the council typically decides in about 8 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
- EN5 2NJ
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 22 September 2022
- Consultation expiry
- 24 October 2022
- Neighbour consultation start
- 26 September 2022
- Neighbour consultation end
- 24 October 2022
- Target decision date
- 17 November 2022
Applicant and agent
- Agent
- Alan Cox Associates Ltd
- Architect profile
- ALAN COX ASSOCIATES LIMITED
- Agent address
- 224A High Street Barnet EN5 5SZ
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Article 4 Small Houses in Multiple Occupation (HMO) Area 1
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)
flood storage areas, conservation areas, listed buildings, tree preservation orders, 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.
Planning history at this site
2 other applications at this property, newest first.
- 202214 Jul
Singe storey side/rear extension. New front hard standing for parking. Replacement of existing garage doors…
RefusedHouseholder22/3659/HSE - 202214 Jul
Roof extension involving hip to gable, rear dormer with juliette balcony and 3no front facing, 2no rear…
ApprovedProposed Lawful Development Certificate22/3658/192
Source: Barnet
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 20 Hillside Gardens Barnet EN5 2NJ22/3659/HSE · FullRefused0.0 mi
- 20 Hillside Gardens Barnet EN5 2NJ22/3658/192 · OutlineApproved0.0 mi
- Dormers Hillside Gardens Barnet EN5 2NJ20/5938/192 · OutlineApproved0.0 mi
- Dormers Hillside Gardens Barnet EN5 2NJ20/3499/HSE · FullRefused0.0 mi
- Dormers Hillside Gardens Barnet EN5 2NJ20/5939/HSE · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman9.2 mi
- Orient Construction Consultancy LimitedVerifiedLondon9.2 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions9.9 mi
- Emmanuel Electricals LtdElectrician0.1 mi
Planning something similar?
See what the council approved and refused for wrap-around (side and rear) extensions on your street. Pick your home and get the evidence before you pay for drawings.