17, Avenue Road, N14 4DA
Refused on 30 January 2026
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
Conversion of single family dwelling into 3 x self contained flats, involving 2-storey front and side extension with part single, part 2-storey rear extension, rear dormer, changes to fenestration, minor landscaping works and provision of refuse and cycle storage.
- Submitted
- 19 December 2025
- Council
- London Borough of Enfield
- ReceivedSubmitted19 Dec
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided30 Jan
Decided in 42 days (council typically 49)
About this application
This is a planning application for a dormer extension at 17, Avenue Road, N14 4DA. Enfield has handled 620 applications of this type. This one was decided in 42 days, 7 days quicker than Enfield's typical decision time. The site is in a conservation area. There has been 1 other application at this address. In the past year there have been 165 applications across Southgate. We hold 945 applications in total for the N14 postcode area.
78% of all other 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
Why it was refused
- The application contains significant inconsistencies and inaccuracies across the submitted plans and supporting documents, including mislabelling of rooms, conflicting information regarding car parking, and errors on the block plan. In particular, the internal layout and allocation of rooms and rear garden amenity space is unclear, preventing the LPA from confirming whether the proposed units would provide acceptable internal space and family-sized accommodation in accordance with Policy DMD5. These deficiencies create fundamental uncertainty regarding the nature, extent, and intensity of the proposed development, preventing the LPA from properly assessing the acceptability of the scheme. The proposal is contrary to Chapter 12 of the NPPF (2024), Policy D6 of the London Plan (2021), and Policy DMD5, DMD8, and DMD37 of the Enfield Development Management Document (2014).
- The proposed two-storey rear extension, covered balcony areas, and box dormer spanning the side and rear elevations result in a poorly design, bulky and top-heavy appearance, which is discordant with the character of surrounding dwellings and the street scene. The proposal fails to respect the scale, form, and appearance of neighbouring properties and the area more generally. The proposal is contrary to Chapter 12 of the NPPF (2024), Policies D3 and D4 of the London Plan (2021), and Policies DMD6, DMD8, and DMD37 of the Enfield Development Management Document (2014).
- The scale and siting of the proposed extensions would have an overbearing impact on neighbouring properties, particularly Nos. 15 and 19, and the first-floor balconies would result in increased overlooking, reducing privacy. There is also likely to be an adverse impact on daylight and sunlight to No. 19. The proposal is contrary to Chapter 12 of the NPPF (2024), Policy D3 and D4 of the London Plan (2021), and Policy DMD8 of the Enfield Development Management Document (2014).
- Conflicting information regarding baseline and proposed car parking provision, together with a lack of clarity in the submitted drawings on layout or vehicle access, prevents the LPA from properly assessing the acceptability of parking arrangements or potential impact on highway safety. The proposal is contrary to Chapter 9 of the NPPF (2024), Policy T6 of the London Plan (2021), and Policies DMD45 and DMD47 of the Enfield Development Management Document (2014).
From the council's decision notice.
Application details
- Postcode
- N14 4DA
- Application type
- All Other
Site constraints
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.
Planning history at this site
2 other applications at this property, newest first.
Source: Enfield
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
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For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions6.8 mi
- Orient Construction Consultancy LimitedVerifiedLondon6.9 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman7.9 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing8.9 mi
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