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25 Blythwood Road, Pinner, Harrow, HA5 3QD

PL/2944/26Prior Notification - Larger Home ExtensionAwaiting decision
Approximate location: the centre of the postcode, not the exact property.

Proposal

Single storey rear extension: 6.00 metres deep, 3.17 metres maximum height and 3.00 metres high to the eaves

Received (week of)
2 November 2026
Ward
Pinner
  1. Received2 Nov
  2. Validated
  3. Consult.
  4. Target
  5. Decided

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View on the council's site

About this application

This is a planning application for a single storey rear extension at 25 Blythwood Road, Pinner, Harrow, HA5 3QD. Harrow has handled 43 applications of this type. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 170 applications across Pinner. We hold 1,739 applications in total for the HA5 postcode area.

81% of prior notification - larger home extension 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
HA5 3QD
Application type
Prior Notification - Larger Home Extension

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • 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.

Source: Harrow

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

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