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24 Mostyn Gardens, London, NW10 5QX

25/3349Non-material amendmentsRefused
Discharge / amendments

Refused on 5 March 2026

Council decision: Permission RefusedDelegated (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

Non material amendment (New side wall of the extension to be the party wall with No. 22 Mostyn Gardens) of Householder planning application reference 25/2386 dated 17/11/2025 for Proposed erection of single-storey side to rear extension to dwellinghouse

Received
2 December 2025
Decision level
Delegated (officer decision)
Ward
Queens Park
Agent
Urban Architecture
  1. Received2 Dec
  2. Validated5 Dec
  3. Consult.2 Jan
  4. Target
  5. Decided5 Mar

Decided in 90 days (council typically 56)

About this application

This is an application to amend a permission at 24 Mostyn Gardens, London, NW10 5QX. Brent has handled 367 applications of this type. This one was decided in 93 days, 5 weeks longer than Brent's typical decision time. The site is in a conservation area. There has been 1 other application at this address. In the past year there have been 264 applications across Queens Park. We hold 4,518 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 5QX
Application type
Non-material amendments
Scale / size
Small

Planning application dates

Date validated
5 December 2025
Last date for comments
2 January 2026

Applicant and agent

Agent
Urban Architecture
Agent address
1 Cheldon Avenue, Mill Hill, London, NW7 1GG

Additional information

Planning Portal ID
PP-14533231
Comments
0
Documents
5
Constraints
1

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.

Associated applications

  1. 2025
    2 Dec

    Non material amendment (New side wall of the extension to be the party wall with No. 22 Mostyn Gardens) of…

    This applicationRefusedNon-material amendment25/3349
  2. 2025
    18 Aug

    Proposed erection of single-storey side to rear extension to dwellinghouse.

    ApprovedHouseholderPart of25/2386

Source: Brent

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

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