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15A - D Cambridge Gardens, London, NW6 5AY

25/3450Full Planning PermissionRefused
Full

Refused on 5 February 2026

Council decision: Permission RefusedDelegated (officer decision)1 reason for refusal

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

Proposed replacement of existing single glazed timber sash windows and timber side door with double-glazed timber sash windows and timber side door to flats.

Received
12 December 2025
Decision level
Delegated (officer decision)
Public comments
3
Ward
Kilburn
Agent
Archway Building Consultancy Ltd
  1. Received12 Dec
  2. Validated7 Jan
  3. Consult.5 Feb
  4. Target
  5. Decided5 Feb

Decided in 29 days (council typically 56)

About this application

This is a full planning application for window replacement at 15A - D Cambridge Gardens, London, NW6 5AY. Brent has handled 4,396 applications of this type. This one was decided in 55 days. The site is in a conservation area, with 3 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 143 applications across Kilburn. We hold 3,470 applications in total for the NW6 postcode area.

77% of full 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.Planning something similar? See what gets approved on your street

Why it was refused

  1. The proposed replacement windows and doors, by virtue of their design, lack of detailed supporting information, and inaccuracies in the submitted documents would fail to demonstrate that the proposal would not materially harm the heritage asset contrary to Policy HC1 of the London Plan 2021 and Policies DMP1, BD1, and BHC1 of Brent’s Local Plan 2019-2041.

From the council's decision notice.

Application details

Postcode
NW6 5AY
Application type
Full Planning Permission
Scale / size
Small

Planning application dates

Date validated
7 January 2026
Consultation expiry
5 February 2026
Neighbour consultation end
5 February 2026
Last date for comments
4 March 2026

Applicant and agent

Agent
Archway Building Consultancy Ltd
Architect profile
ARCHWAY BUILDING CONSULTANCY LIMITED
Agent address
3 London Bridge Street, City, SE1 9SG

Planning decision

Case officer
Parag Dhanani

Additional information

Planning Portal ID
PP-14557473
Documents
11
Constraints
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: South Kilburn
  • Listed building: 15A Cambridge Gardens, London, NW6 5AYOn or next to this site · +7 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, listed buildings, Article 4 directions, 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. 2025
    12 Dec

    Proposed replacement of existing single glazed timber sash windows and timber side door with double-glazed…

    This applicationRefusedFull25/3450
  2. 2025
    12 Dec

    Listed building consent for proposed replacement of existing single glazed timber sash windows and timber…

    RefusedListed building consentFiled alongside25/3451

Source: Brent

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

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