46 Greyhound Hill London NW4 4JP
Refused on 6 January 2026
Council decision: RefuseDelegated (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 front extension including conversion of garage into habitable room. Part single, part two storey side and rear extension following removal of existing shed. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Creation of a patio in the rear garden. Alterations to front garden
- Received
- 28 November 2025
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Barnet
- Ward
- Hendon
- Agent
- UPP Architects + Town Planners
- ReceivedReceived28 Nov
- ValidatedValidated28 Nov
- Consult.Consultation
- TargetTarget Date23 Jan
- DecidedDecided6 Jan
Decided in 39 days (council typically 56)
About this application
This is a full planning application for a dormer extension at 46 Greyhound Hill London NW4 4JP. Barnet has handled 4,516 applications of this type. This one was decided in 39 days, 2 weeks quicker than Barnet's typical decision time. There have been 2 other applications at this address. In the past year there have been 145 applications across Hendon. We hold 3,124 applications in total for the NW4 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
- NW4 4JP
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 28 November 2025
- Consultation expiry
- 25 December 2025
- Target decision date
- 23 January 2026
Applicant and agent
- Agent
- UPP Architects + Town Planners
- Agent address
- LABS Atrium The Stables Market Chalk Farm Road Chalk Farm Road London NW1 8AH
Planning decision
- Statutory period
- 56 days
Publicity
- Site notice start
- 4 December 2025
- Site notice end
- 25 December 2025
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.
- 202613 Jul
Single storey front extension incorporating a front porch including conversion of garage into habitable room…
ApprovedHouseholder26/2477/HSE - 20265 Mar
Single storey front extension including conversion of garage into habitable room, insertion of window to…
ApprovedHouseholder26/0830/HSE - 20257 Nov
Roof extension involving hip to gable with rear dormer windows and 2no. rooflights on main roof. Erection of…
ApprovedProposed Lawful Development Certificate25/4460/192
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
- 46 Greyhound Hill London NW4 4JP26/0830/HSE · FullApproved0.0 mi
- 46 Greyhound Hill London NW4 4JP25/4460/192 · OutlineApproved0.0 mi
- 40 Greyhound Hill, London, NW4 4JPH/02099/09 · FullApproved0.0 mi
- 38 Greyhound Hill, London, NW4 4JPH/01870/10 · FullApproved0.0 mi
- 52 Greyhound Hill, London, NW4 4JBH/01789/10 · FullRefused0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman6.1 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing7.0 mi
- Orient Construction Consultancy LimitedVerifiedLondon7.5 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions9.9 mi
Planning something similar?
See what the council approved and refused for two-storey and first-floor extensions on your street. Pick your home and get the evidence before you pay for drawings.