# Connectivity in Chelmsford The south of the East of England. 190,570 people (mid-2025 estimate) in 342 square kilometres. 5 layers about connectivity for Chelmsford, each at the level its publisher released it, with its own date and source. In: [East of England](https://openindex.co.uk/east-of-england) ## Gigabit broadband coverage Chelmsford: **87.9%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In Chelmsford, 87.9% of homes and businesses could get gigabit-capable broadband in January 2026. For the UK as a whole, the figure was 87.8%. - Against England: 1% lower (88.4%) - Against the UK: About the same (87.8%) [Map](https://openindex.co.uk/map/gigabit-broadband?place=E07000070) · [Source and method](https://openindex.co.uk/sources/gigabit-broadband) · [Ranking](https://openindex.co.uk/rankings/gigabit-broadband/east-of-england) · https://openindex.co.uk/chelmsford/connectivity#l-gigabit-coverage ## Full-fibre broadband coverage Chelmsford: **81.1%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In Chelmsford, 81.1% of homes and businesses could get full-fibre broadband in January 2026. For the UK as a whole, the figure was 81.0%. - Against England: About the same (81.3%) - Against the UK: About the same (81.0%) [Map](https://openindex.co.uk/map/full-fibre-broadband?place=E07000070) · [Source and method](https://openindex.co.uk/sources/full-fibre-broadband) · [Ranking](https://openindex.co.uk/rankings/full-fibre-broadband/east-of-england) · https://openindex.co.uk/chelmsford/connectivity#l-full-fibre-coverage ## Full-fibre take-up Chelmsford: **53%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In Chelmsford, 53% 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 England: 15% higher (46%) - Against the UK: 13% higher (47%) [Map](https://openindex.co.uk/map/full-fibre-take-up?place=E07000070) · [Source and method](https://openindex.co.uk/sources/full-fibre-take-up) · [Ranking](https://openindex.co.uk/rankings/full-fibre-take-up/east-of-england) · https://openindex.co.uk/chelmsford/connectivity#l-full-fibre-take-up ## 4G coverage from all four networks Chelmsford: **99.48%** (January 2026, council level). Source: Ofcom. Published 13 May 2026. In Chelmsford, 99.48% 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 England: About the same (99.35%) - Against the UK: About the same (99.22%) [Map](https://openindex.co.uk/map/mobile-4g-coverage?place=E07000070) · [Source and method](https://openindex.co.uk/sources/mobile-4g-coverage) · [Ranking](https://openindex.co.uk/rankings/mobile-4g-coverage/east-of-england) · https://openindex.co.uk/chelmsford/connectivity#l-mobile-4g-outdoor ## Broadband by postcode Postcode level, Great Britain only. Source: Ofcom and ONS Postcode Directory. Published as points, so there is no single figure for Chelmsford. The map shows each one. [Map](https://openindex.co.uk/map/broadband-by-postcode?place=E07000070) · [Source and method](https://openindex.co.uk/sources/broadband-by-postcode) · https://openindex.co.uk/chelmsford/connectivity#l-broadband-postcode ## More on this place - [Overview](https://openindex.co.uk/chelmsford) - [Housing](https://openindex.co.uk/chelmsford/housing) (17) - [Crime](https://openindex.co.uk/chelmsford/crime) (13) - [People](https://openindex.co.uk/chelmsford/people) (24) - [Deprivation](https://openindex.co.uk/chelmsford/deprivation) (8) - [Health](https://openindex.co.uk/chelmsford/health) (4) - [Education](https://openindex.co.uk/chelmsford/education) (2) - [Environment](https://openindex.co.uk/chelmsford/environment) (9) - [Transport](https://openindex.co.uk/chelmsford/transport) (4) - [Planning](https://openindex.co.uk/chelmsford/planning) (3) - [Economy](https://openindex.co.uk/chelmsford/economy) (4) - [Council tax](https://openindex.co.uk/chelmsford/council-tax) (10) - [Elections](https://openindex.co.uk/chelmsford/elections) (7) - [Local services](https://openindex.co.uk/chelmsford/services) (3) - [Sources](https://openindex.co.uk/chelmsford/sources) (28) The same figures as JSON: https://openindex.co.uk/v1/places/E07000070/data?family=connectivity ## How to cite Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/chelmsford/connectivity, or to one figure with its anchor, https://openindex.co.uk/chelmsford/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 2026.10.8, https://doi.org/10.5281/zenodo.23508850. The HTML page: https://openindex.co.uk/chelmsford/connectivity