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20 Trevelyan Crescent, Harrow, HA3 0RL

23/0408Approved

Approved on 17 April 2023

3 conditions

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 erection of two-storey rear extension and alterations to patio to dwellinghouse

Submitted
14 February 2023
  1. Received14 Feb
  2. Validated
  3. Consult.
  4. Target
  5. Decided17 Apr

Decided in 62 days

About this application

This is a planning application for a two storey rear extension at 20 Trevelyan Crescent, Harrow, HA3 0RL. Brent has handled 17,086 applications of this type. This one was decided in 62 days, 6 days longer than Brent's typical decision time. The site is in a conservation area. There has been 1 other application at this address. We hold 5,584 applications in total for the HA3 postcode area.

Application details

Postcode
HA3 0RL

Appeal history

3335084
Dismissed
Type: Householder (HAS)Procedure: Written RepresentationsDecision: 15 October 2024Dev Type: Householder developmentsReason: Refusal

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Mount Stewart
  • Article 4 direction: Article 4 for HMOs+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage 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.

Planning history at this site

1 other application at this property, newest first.

  1. 2025
    25 Feb

    Proposed single-storey outbuilding in rear garden of dwellinghouse

    ApprovedHouseholder25/0548

Source: Brent

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

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