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45 Borrowdale Avenue, Harrow, HA3 7PY

P/2488/17Cert.Lawful Existing Devt. (DEL)Approved
Lawful development certificate

Approved on 26 July 2017

Council decision: REFDelegated (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

Certificate of lawful development (existing):side dormer in catslide roof

Received
31 May 2017
Decision level
Delegated (officer decision)
Ward
Marlborough
  1. Received31 May
  2. Validated15 Jun
  3. Consult.
  4. Target
  5. Decided26 Jul

Decided in 41 days (council typically 56)

About this application

This is an application to amend a permission at 45 Borrowdale Avenue, Harrow, HA3 7PY. Harrow has handled 642 applications of this type. This one was decided in 56 days. The site is in a conservation area. There have been 2 other applications at this address. In the past year there have been 93 applications across Marlborough. We hold 5,584 applications in total for the HA3 postcode area.

76% of amendment 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.See what's approved near your address

Application details

Postcode
HA3 7PY
Application type
Cert.Lawful Existing Devt. (DEL)
Scale / size
Small

Planning application dates

Date validated
15 June 2017
Application expires
26 July 2017

Applicant and agent

Agent address
Unit 17 Wadsworth Business Centre 21 Wadsworth Road Perivale Ub6 7Lq

Planning decision

Statutory period
41 days

Additional information

Planning Portal ID
PP-6110059
UPRN
100021254189
Documents
9

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. 2017
    31 May

    Certificate of lawful development (existing):side dormer in catslide roof

    This applicationApprovedAmendmentP/2488/17
  2. 2017
    30 May

    Single storey side to rear extension

    ApprovedHouseholderFiled alongsideP/2472/17

Source: Harrow

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

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