# Connectivity in Lisburn and Castlereagh South east Northern Ireland. 152,367 people (mid-2025 estimate) 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. In: [Northern Ireland](https://openindex.co.uk/northern-ireland) ## Gigabit broadband coverage Lisburn and Castlereagh: **96.4%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In 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% higher (94.9%) - Against the UK: 10% higher (87.8%) [Map](https://openindex.co.uk/map/gigabit-broadband#place=N09000007) · [Source and method](https://openindex.co.uk/sources/gigabit-broadband) · [Ranking](https://openindex.co.uk/rankings/gigabit-broadband/northern-ireland) · https://openindex.co.uk/lisburn-and-castlereagh/connectivity#l-gigabit-coverage ## Full-fibre broadband coverage Lisburn and Castlereagh: **95.4%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In 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% higher (94.0%) - Against the UK: 18% higher (81.0%) [Map](https://openindex.co.uk/map/full-fibre-broadband#place=N09000007) · [Source and method](https://openindex.co.uk/sources/full-fibre-broadband) · [Ranking](https://openindex.co.uk/rankings/full-fibre-broadband/northern-ireland) · https://openindex.co.uk/lisburn-and-castlereagh/connectivity#l-full-fibre-coverage ## Full-fibre take-up Lisburn and Castlereagh: **64%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In 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% lower (65%) - Against the UK: 36% higher (47%) [Map](https://openindex.co.uk/map/full-fibre-take-up#place=N09000007) · [Source and method](https://openindex.co.uk/sources/full-fibre-take-up) · [Ranking](https://openindex.co.uk/rankings/full-fibre-take-up/northern-ireland) · https://openindex.co.uk/lisburn-and-castlereagh/connectivity#l-full-fibre-take-up ## 4G coverage from all four networks Lisburn and Castlereagh: **99.39%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In 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% higher (97.62%) - Against the UK: About the same (99.22%) [Map](https://openindex.co.uk/map/mobile-4g-coverage#place=N09000007) · [Source and method](https://openindex.co.uk/sources/mobile-4g-coverage) · [Ranking](https://openindex.co.uk/rankings/mobile-4g-coverage/northern-ireland) · https://openindex.co.uk/lisburn-and-castlereagh/connectivity#l-mobile-4g-outdoor ## More on this place - [Overview](https://openindex.co.uk/lisburn-and-castlereagh) - [Housing](https://openindex.co.uk/lisburn-and-castlereagh/housing) (3) - [Crime](https://openindex.co.uk/lisburn-and-castlereagh/crime) (13) - [People](https://openindex.co.uk/lisburn-and-castlereagh/people) (16) - [Deprivation](https://openindex.co.uk/lisburn-and-castlereagh/deprivation) (2) - [Health](https://openindex.co.uk/lisburn-and-castlereagh/health) (2) - [Environment](https://openindex.co.uk/lisburn-and-castlereagh/environment) (4) - [Economy](https://openindex.co.uk/lisburn-and-castlereagh/economy) (2) - [Elections](https://openindex.co.uk/lisburn-and-castlereagh/elections) (5) - [Local services](https://openindex.co.uk/lisburn-and-castlereagh/services) (1) - [Sources](https://openindex.co.uk/lisburn-and-castlereagh/sources) (12) The same figures as JSON: https://openindex.co.uk/v1/places/N09000007/data?family=connectivity ## How to cite Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/lisburn-and-castlereagh/connectivity, or to one figure with its anchor, https://openindex.co.uk/lisburn-and-castlereagh/connectivity#l-gigabit-coverage. Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it. Snapshot 2026.10.11. The HTML page: https://openindex.co.uk/lisburn-and-castlereagh/connectivity