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427 High Road, London, NW10 2JN

25/0527Certificate of Lawfulness - ExistingApproved
Lawful development certificate

Approved on 17 April 2025

Council decision: Certificate of Lawfulness - GrantedDelegated (officer decision)

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

Certificate of lawfulness for existing change of use and conversion of upper floors together with part single, part 4-storey rear extension to facilitate the creation of 9 residential units and works to include 5x rear and 6x front dormer windows; rear first and second floor balconies, new rear entrance lobby and lift for disabled access, rear staircase, refuse stores, secured cycle parking amenity space, soft and hard landscaping and ground floor rear management office extension, first-floor rear lift access extension, redesign lower ground cycle spaces, new fences with site access gate.

Received
24 February 2025
Decision level
Delegated (officer decision)
Ward
Roundwood
Agent
SDMC Consultants ltd.
  1. Received24 Feb
  2. Validated24 Feb
  3. Consult.21 Apr
  4. Target
  5. Decided17 Apr

Decided in 52 days (council typically 56)

About this application

This is an application to amend a permission at 427 High Road, London, NW10 2JN. Brent has handled 367 applications of this type. This one was decided in 52 days, 4 days quicker than Brent's typical decision time. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 99 applications across Roundwood. We hold 4,516 applications in total for the NW10 postcode area.

68% of amendment applications at London Borough of Brent 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
NW10 2JN
Application type
Certificate of Lawfulness - Existing
Scale / size
Small

Planning application dates

Date validated
24 February 2025
Last date for comments
21 April 2025

Applicant and agent

Agent
SDMC Consultants ltd.
Agent address
1 Studio Court, Queensway, Bletchley, United Kingdom, MK2 2DG

Additional information

Planning Portal ID
PP-13779793
Comments
0
Documents
20
Constraints
5

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 for HMOs
  • 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.

Source: Brent

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

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