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307A & 307B Preston Road, Harrow, HA3 0QQ

25/3381Approval of details reserved by a condition (discharge)Approved
Discharge / amendments

Approved on 3 February 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

Details pursuant to conditions 7 (Landscape Plan), 9 (Details on fencing, walls and gateways) and 10 (Details on landscaping, parking, waste storage, cycle parking) of Full Planning Permission application reference 23/3600 dated 26/01/2024 for Proposed two-storey side to rear wrap-around extension, to create a 3-bedroom flat at ground-floor level, reduction of the existing ground-floor 4-bed 4- person HMO to a 3-bed 3-person HMO and enlargement of the existing upper-floor 5-bed 5- person HMO, erection of a single-storey detached outbuilding for communal gym with separate cycle storage in the rear garden and associated landscaping with refuse storage in the front forecourt.

Submitted
5 December 2025
  1. Received5 Dec
  2. Validated
  3. Consult.
  4. Target
  5. Decided3 Feb

Decided in 60 days (council typically 56)

About this application

This is a planning application for an outbuilding at 307A & 307B Preston Road, Harrow, HA3 0QQ. Brent has handled 194 applications of this type. This one was decided in 60 days, 4 days longer than Brent's typical decision time. The site is in a conservation area. There have been 2 other applications at this address. In the past year there have been 163 applications across Kenton. We hold 5,586 applications in total for the HA3 postcode area.

94% of approval of details reserved by a condition (discharge) 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

Application details

Postcode
HA3 0QQ
Application type
Approval of details reserved by a condition (discharge)

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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