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40 Cornelian Street, Blackburn, Blackburn With Darwen, BB1 9AW

10/26/0850Approved

Approved on 26 October 2026

Council decision: Prior Approval is not required

Approximate location: the centre of the postcode, not the exact property.

Proposal

Erection of single storey extension to rear. 4.5m from original rear wall, Max Height: 3.1m, Height to Eaves: 2.350m

Received (week of)
28 September 2026
Ward
Roe Lee
  1. Received28 Sep
  2. Validated
  3. Consult.
  4. Target
  5. Decided26 Oct

Decided in 28 days

About this application

This is a planning application for an extension at 40 Cornelian Street, Blackburn, Blackburn With Darwen, BB1 9AW. Blackburn with Darwen has handled 2,646 applications of this type. There are no previous applications recorded at this address. In the past year there have been 22 applications across Roe Lee. We hold 656 applications in total for the BB1 postcode area.

Application details

Postcode
BB1 9AW

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 and tree preservation orders. Ask the council if these matter.

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: Blackburn with Darwen

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