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222 Malvern Avenue, South Harrow, Harrow, HA2 9HE

PL/1735/26Certificate of Lawful Development ProposedApproved
Outline / PiP

Approved on 3 August 2026

Council decision: Grant

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 lawful development (proposed): Rear dormer; installation of rooflight in front roofslope

Received
24 June 2026
Ward
Roxbourne
  1. Received24 Jun
  2. Validated
  3. Consult.
  4. Target
  5. Decided3 Aug

Decided in 40 days (council typically 56)

About this application

This is an outline application for a dormer extension at 222 Malvern Avenue, South Harrow, Harrow, HA2 9HE. Harrow has handled 2,393 applications of this type. This one was decided in 40 days, 2 weeks quicker than Harrow'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 41 applications across Roxbourne. We hold 1,767 applications in total for the HA2 postcode area.

84% of outline applications at London Borough of Harrow 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
HA2 9HE
Application type
Certificate of Lawful Development Proposed

Planning application dates

Validated
24 June 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, 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. 2026
    24 Jun

    Single storey rear extension: 6.00 metres deep, 3.14 metres maximum height and 3.00 metres high to the eaves

    ApprovedOutlineFiled alongsidePL/1732/26
  2. 2026
    24 Jun

    Certificate of lawful development (proposed): Rear dormer; installation of rooflight in front roofslope

    This applicationApprovedOutlinePL/1735/26

Source: Harrow

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

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