The typical property in BB1

BB1 sits in Blackburn with Darwen Borough Council, Lancashire. The outcode covers central Blackburn, Little Harwood, Bastwell, Whalley Range and parts of Wilpshire and Furthergate. Blackburn was historically a major cotton-weaving town and the housing stock reflects that: dense Victorian and Edwardian terraces dominate, with some 1930s semis on the periphery and pockets of postwar redevelopment.

Blackburn station sits in the outcode and provides services on the East Lancashire Line to Preston, Bolton and Manchester Victoria, with onward connections. The M65 runs through Blackburn with junctions 4, 5 and 6 serving different parts. Major employers include the BAE Systems plant (Samlesbury, just outside the borough), the East Lancashire NHS Trust (Royal Blackburn Hospital), Blackburn with Darwen Council, and the Cathedral Quarter regeneration area.

Demographics include significant ethnic diversity, with the largest South Asian heritage population of any northern English town outside the metropolitan boroughs. Schools are Blackburn with Darwen maintained provision. There is a meaningful student population around the Blackburn College and University Centre.

Blackburn with Darwen operates selective licensing in defined streets, plus additional HMO licensing. The Renters' Rights Act 2026 has abolished Section 21 evictions. The proposed 2030 EPC C standard, if enacted, will be a major cost on the dense Victorian terrace stock with solid walls.