78 Lyonsdown Road Barnet EN5 1JL
Refused on 17 July 2024
Council decision: UnlawfulDelegated (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
Roof extension involving hip to gable end, rear dormer window with juliette balcony and 3no. front facing rooflights. Removal of the chimney stack. Porch extension, new first floor front/side extension and conversion of the garage into a habitable room, including replacement of garage doors with an access door. (Amended)
- Received
- 19 June 2024
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Barnet
- Ward
- Barnet Vale
- Agent
- Loud Architecture and Interior Design Ltd
- ReceivedReceived19 Jun
- ValidatedValidated19 Jun
- Consult.Consultation
- TargetTarget Date14 Aug
- DecidedDecided17 Jul
Decided in 28 days (council typically 56)
About this application
This is an outline application for a dormer extension at 78 Lyonsdown Road Barnet EN5 1JL. Barnet has handled 2,167 applications of this type. This one was decided in 28 days, 4 weeks quicker than Barnet's typical decision time. There are no previous applications recorded at this address. In the past year there have been 71 applications across Barnet Vale. We hold 3,740 applications in total for the EN5 postcode area.
75% of outline 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.See what's approved near your address
Application details
- Postcode
- EN5 1JL
- Application type
- Proposed Lawful Development Certificate
- Scale / size
- Small
Planning application dates
- Date validated
- 19 June 2024
- Target decision date
- 14 August 2024
Applicant and agent
- Agent
- Loud Architecture and Interior Design Ltd
- Architect profile
- LOUD ARCHITECTURE & INTERIOR DESIGN LIMITED
- Agent address
- 113 B-C Whipps Cross Road London E11 1NW
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
3 other applications at this property, newest first.
- 20267 Oct
Single storey side and rear extension. Front porch extension. Conversion of garage into habitable room…
PendingHouseholder26/3619/HSE - 202626 Mar
Single storey side and rear extension, front porch extension. Rear dormer and hip to gable roof extension…
ApprovedHouseholder26/1164/HSE - 202519 Dec
Removal and alteration of existing roof above existing two storey side. (Phase 1) Roof extension involving…
ApprovedLawful development: Proposed use25/5114/192
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
- 80 Lyonsdown Road Barnet EN5 1JL25/3389/HSE · FullApproved0.0 mi
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Orient Construction Consultancy LimitedVerifiedLondon8.1 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman8.4 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions8.6 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing9.4 mi
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