Connectivity in Lisburn and Castlereagh
DistrictSouth east Northern Ireland. 152,367 people in 510 square kilometres.
4 layers about connectivity for Lisburn and Castlereagh, each at the level its publisher released it, with its own date and source.
Gigabit coverage by output area
Connected Nations (Ofcom) · January 2026
There is no gigabit broadband coverage figure for Lisburn and Castlereagh’s output areas yet.
Gigabit broadband coverage
CouncilIn Lisburn and Castlereagh, 96.4% of homes and businesses could get gigabit-capable broadband in January 2026.
For the UK as a whole, the figure was 87.8%.
- Against Northern Ireland
- 2% higher94.9%
- Against the UK
- 10% higher87.8%
Full-fibre broadband coverage
CouncilIn Lisburn and Castlereagh, 95.4% of homes and businesses could get full-fibre broadband in January 2026.
For the UK as a whole, the figure was 81.0%.
- Against Northern Ireland
- 1% higher94.0%
- Against the UK
- 18% higher81.0%
Full-fibre take-up
CouncilIn Lisburn and Castlereagh, 64% of the homes and businesses that could get full fibre had a full-fibre connection in January 2026.
For the UK as a whole, the figure was 47%.
- Against Northern Ireland
- 2% lower65%
- Against the UK
- 36% higher47%
4G coverage from all four networks
CouncilIn Lisburn and Castlereagh, 99.39% of homes and businesses had outdoor 4G coverage from all four mobile networks in January 2026.
For the UK as a whole, the figure was 99.22%.
- Against Northern Ireland
- 2% higher97.62%
- Against the UK
- About the same99.22%