Building Digital UK

Building Digital UK (BDUK) is a unit within the Department for Science, Innovation and Technology (DSIT) responsible for rolling out broadband and mobile coverage to hard-to-reach places across the United Kingdom.^[2] It was originally established as an executive agency, but was integrated into DSIT on 1 November 2025.^[3]

Building Digital UK (BDUK)

Executive agency overview
Jurisdiction	United Kingdom
Minister responsible	Liz Kendall MP, Secretary of State for Science, Innovation and Technology
Deputy Minister responsible	Liz Lloyd, Parliamentary Under-Secretary of State for Digital Economy
Executive agency executive	Lesley Cowley[1], Chair
Parent department	Department for Science, Innovation and Technology
Website	https://www.gov.uk/government/organisations/building-digital-uk

Project Gigabit

BDUK is responsible for delivering 'Project Gigabit', the government’s programme to enable hard-to-reach communities to access gigabit-capable broadband, focusing on homes and businesses that are not included in broadband suppliers’ plans. The government has committed to achieving nationwide gigabit coverage and aims for 99% of premises to have access to a gigabit-capable connection by 2032.^[4]