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1 Rosemary Avenue London N3 2QP

26/0517/NMANon Material AmendmentApproved
Discharge / amendments

Approved on 3 March 2026

Approximate site (title boundary)
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

Non material amendment to planning permission 25/2642/HSE dated 30/07/2025 for `Single storey rear extension with 2no. rooflights, following demolition of existing sunroom and rear outrigger.` Amendment includes addition of 2no. side windows

Received
10 February 2026
Ward
Finchley Church End
Agent
London Residential Architects Limited
  1. Received10 Feb
  2. Validated10 Feb
  3. Consult.
  4. Target10 Mar
  5. Decided3 Mar

Decided in 21 days (council typically 56)

About this application

This is an application to amend a permission at 1 Rosemary Avenue London N3 2QP. Barnet has handled 579 applications of this type. This one was decided in 21 days, 5 weeks quicker than Barnet's typical decision time. There are no previous applications recorded at this address. In the past year there have been 144 applications across Finchley Church End. We hold 1,016 applications in total for the N3 postcode area.

70% of amendment 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
N3 2QP
Application type
Non Material Amendment
Scale / size
Small

Planning application dates

Date validated
10 February 2026
Target decision date
10 March 2026

Applicant and agent

Agent
London Residential Architects Limited
Agent address
Stanmore Business & Innovation Ctr Stanmore Place Howard Road Stanmore HA7 1BT

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-14691526
Comments
0
Documents
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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.

Associated applications

  1. 2026
    10 Feb

    Non material amendment to planning permission 25/2642/HSE

    This applicationApprovedNon-material amendment26/0517/NMA
  2. 2025
    30 Jun

    Single storey rear extension with 2no. rooflights, following demolition of existing sunroom and rear…

    ApprovedHouseholderPart of25/2642/HSE

Source: Barnet

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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