9 Prothero Gardens London NW4 3SJ
Approved on 13 December 2019
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
Part single, part two storey rear extension. Roof extension involving rear dormer window and front and side facing rooflights. Single storey front extension incorporating new front porch
- Received
- 4 October 2019
- Decision level
- Delegated (officer decision)
- Council
- London Borough of Barnet
- Ward
- Hendon
- Agent
- LAF Architects Ltd
- ReceivedReceived4 Oct
- ValidatedValidated7 Oct
- Consult.Consultation4 Nov
- TargetTarget Date2 Dec
- DecidedDecided13 Dec
Decided in 67 days (council typically 56)
About this application
This is a full planning application for a two storey rear extension at 9 Prothero Gardens London NW4 3SJ. Barnet has handled 4,516 applications of this type. This one was decided in 70 days, 2 weeks longer than Barnet's typical decision time. There have been 4 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 3SJ
- Application type
- Householder Application
- Scale / size
- Small
Planning application dates
- Date validated
- 7 October 2019
- Consultation expiry
- 4 November 2019
- Consultation end
- 4 November 2019
- Neighbour consultation start
- 7 October 2019
- Neighbour consultation end
- 4 November 2019
- Target decision date
- 2 December 2019
Applicant and agent
- Agent
- LAF Architects Ltd
- Architect profile
- LAF ARCHITECTS LTD
- Agent address
- 1 Manor Drive London N20 0DZ
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
4 other applications at this property, newest first.
- 20257 Feb
Mansard roof extension involving front, side and rear dormer windows
RefusedHouseholder25/0520/HSE - 202412 Dec
Roof Extension including alteration to the roof of the existing two-storey side extension and addition of…
ApprovedHouseholder24/5363/HSE - 201923 Dec
Two storey rear extension. Roof extension involving rear dormer window and front, side facing rooflights and…
ApprovedHouseholder19/6767/HSE - 201911 Jun
Single storey rear extension with a proposed depth of 8.0 metres from original rear wall, eaves height of 3.0…
RefusedHouseholder19/3300/PNH
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
- 9 Prothero Gardens London NW4 3SJ24/5363/HSE · FullApproved0.0 mi
- 9 Prothero Gardens London NW4 3SJ25/0520/HSE · FullRefused0.0 mi
- 9 Prothero Gardens London NW4 3SJ19/6767/HSE · FullApproved0.0 mi
- 3 Prothero Gardens London NW4 3SJW12086B/04 · FullApproved0.0 mi
- 9 Prothero Gardens London NW4 3SJ19/3300/PNH · OutlineRefused0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman5.7 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing6.5 mi
- Orient Construction Consultancy LimitedVerifiedLondon7.2 mi
- Kabilo LimitedVerifiedLondonExtensionsLoft Conversions9.7 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.