Brighton broadband coverage (BN)
Full-fibre, gigabit and superfast availability across every BN postcode district in South East England — plus business broadband and leased lines.
Strong coverage
Superfast (30Mb+)
94.8%
Ultrafast (300Mb+)
68.4%
Gigabit-capable
67.8%
Below USO (10Mb)
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Check your exact BN postcode
Area figures average a whole postcode region — get the precise availability, full-fibre status and mobile signal for your address.
Broadband across the BN area
The BN postcode area covers Brighton and the surrounding South East England region, spanning 32 outward-code districts. Overall fixed-broadband provision across BN is strong: superfast reaches about 94.8% of premises and gigabit-capable connectivity is available to roughly 67.8%.
Availability is never uniform across a whole postcode area — city-centre BN districts are typically further ahead on full fibre than outlying towns and rural fringes. Use the district breakdown below to see how each BN outcode compares, then check an exact postcode for the definitive answer.
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BN districts compared
Each BN outward code ranked by size. Click a district for its full breakdown and a postcode-level check.
| District | Area | Superfast | Gigabit |
|---|---|---|---|
| BN2 | Brighton and Hove | 96.6% | 82% |
| BN1 | Brighton and Hove | 94.4% | 78.2% |
| BN3 | Brighton and Hove | 98.2% | 74.6% |
| BN27 | Wealden | 95.8% | 51.6% |
| BN11 | Worthing | 99.7% | 96.8% |
| BN16 | Arun | 96.4% | 39.1% |
| BN21 | Eastbourne | 98% | 82.4% |
| BN25 | Lewes | 98.1% | 71.3% |
| BN22 | Eastbourne | 99.7% | 83.8% |
| BN13 | Arun | 97.7% | 93.6% |
| BN17 | Arun | 95.5% | 19.3% |
| BN14 | Adur | 98.5% | 92.9% |
| BN20 | Eastbourne | 97.4% | 54.3% |
| BN15 | Adur | 99.3% | 93.8% |
| BN23 | Eastbourne | 100% | 87.2% |
| BN7 | Lewes | 97.2% | 40% |
| BN8 | Lewes | 86% | 37.9% |
| BN12 | Arun | 97.6% | 78.8% |
| BN6 | Horsham | 92.4% | 63% |
| BN18 | Arun | 90.9% | 51.4% |
| BN26 | Wealden | 93.8% | 21.7% |
| BN10 | Lewes | 98.6% | 68.4% |
| BN43 | Adur | 97.3% | 88.4% |
| BN9 | Lewes | 98.1% | 69.5% |
| BN41 | Adur | 97.8% | 90.7% |
| BN24 | Rother | 95.9% | 21.6% |
| BN5 | Horsham | 90.8% | 47% |
| BN44 | Horsham | 91.8% | 79.5% |
| BN42 | Adur | 98.5% | 93.6% |
| BN45 | Mid Sussex | 91.6% | 68.5% |
| BN88 | Brighton and Hove | 50% | 50% |
| BN99 | Adur | 100% | 100% |
Business broadband & leased lines in Brighton
Connection Technologies arranges business broadband, full-fibre (FTTP) and leased lines right across the BN area. Where gigabit full fibre is live we quote ultrafast symmetric connections; everywhere else a leased line still guarantees the speed and SLA your business needs.
Get a business broadband quote in Brighton
Free and no obligation — matched to what's actually available at your postcode.
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Frequently asked questions
What broadband speeds are available in the BN postcode area (Brighton)?
Can I get full-fibre or gigabit broadband in the BN postcode area (Brighton)?
How do I check broadband at my exact address in the BN postcode area (Brighton)?
Who provides business broadband in the BN postcode area (Brighton)?
Broadband availability data © 2026 Ofcom (Connected Nations), licensed under the Open Government Licence v3.0. Figures are area averages and predictions; availability at an individual address may differ — always confirm with a postcode-level check.