Planning outcomes aren’t random. Every council has patterns — approval rates vary by ward, project type, and even case officer. See the pattern near your postcode.
Before you spend £5,000+ on architects and drawings
This page analyses 12,526 planning decisions made by Blackburn with Darwen from January 2020 to present. Data is sourced directly from the council’s planning portal and updated regularly. For the full approval rate breakdown, ward-level analysis, and extension-type approval patterns, see the Blackburn with Darwen planning approval rates page.