17 providers offer 213 broadband deals in Causeway Coast and Glens, from £20 a month (£40 after 12 months) and up to 2,000 Mbps. Typical measured speed is 94 Mbps down and 23 Mbps up, 7% below the UK download average. Full fibre is available to 90.4% of homes.
Deals for Causeway Coast and Glens, checked and refreshed daily.
Best value broadband deal in Causeway Coast and Glens
The best value in Causeway Coast and Glens on full first-year cost is 4th Utility's 900Mb Full Fibre (24 Months): £264 across year one, about £22 a month. At 900 Mbps it copes with anything a household runs at once.
Best value in Causeway Coast and Glens
£22/mo
for 12 months, then £44/mo
Cheapest broadband deal in Causeway Coast and Glens
The cheapest deal in Causeway Coast and Glens is 300Mb Full Fibre (24 Months) from 4th Utility at £20.00 a month for 300 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. The £20.00 is an intro price that rises to £40.00 a month after the intro window, making the real first-year cost £240. Virgin Media O2 is essentially level at £20.32 a month.
Cheapest in Causeway Coast and Glens
£20/mo
for 12 months, then £40/mo
Runner-up on price
£18.99/mo
rises to £22.99 in April 2027 (+£4)
Fastest broadband deal in Causeway Coast and Glens
The fastest deal available in Causeway Coast and Glens is Gig2 Fibre broadband + Netflix from Virgin Media O2 at 2,000 Mbps. Next fastest is Full Fibre Max from Zen Internet at 1,600 Mbps.
Fastest in Causeway Coast and Glens
Gig2 Fibre broadband + Netflix
£51.99/mo
rises to £55.99 in April 2027 (+£4)
Runner-up on speed
£45/mo
No rises, no surprises.
Compare broadband deals in Causeway Coast and Glens
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£23/mo
No rises, no surprises.
£25.99/mo
rises to £29.99 in March 2027 (+£4)
£23.99/mo
rises to £27.99 in March 2027 (+£4)
Broadband providers in Causeway Coast and Glens
17 providers serve Causeway Coast and Glens including Sky, BT and Vodafone, with Virgin Media O2 the fastest at 2,000 Mbps.
Ranked by Ofcom complaints per 100,000 customers, fewest first. A down arrow is below the industry average, up is above, and a dash means Ofcom publishes no figure for that provider (usually because it is below Ofcom's 1.5% market-share reporting threshold). A small diagonal arrow shows the past-year trend (↘ improving, ↗ getting worse).
Ofcom records the typical Causeway Coast and Glens download speed at 94 Mbps.
Upgrade nudge
Room to upgrade in Causeway Coast and Glens
Only 16% of the 39,000 connections here are on 300Mbps or faster, even though 90% can get gigabit.
The faster line is already there. For most of these homes it is the contract holding them back, not the infrastructure.
Is your broadband good enough?
The typical Causeway Coast and Glens line runs 94 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 90% of Causeway Coast and Glens, and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Causeway Coast and Glens have?
Superfast broadband reaches 96% of Causeway Coast and Glens premises but gigabit only 90%, so around 6% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Causeway Coast and Glens?
Outdoor 5G reaches 100% of Causeway Coast and Glens homes. Here is how mobile holds up if the line drops.
The two 5G figures differ. “5G availability” is everyday 5G running on the existing 4G core, which is what most phones show. “Next-gen 5G” is standalone 5G: a full 5G network with lower lag, still reaching fewer places.
Broadband speeds by Causeway Coast and Glens neighbourhood
Measured speeds range from 124 Mbps in Mountsandel to 73 Mbps in Carnlough and Glenarm, so your street matters more than the Causeway Coast and Glens average.
| Neighbourhood | Median | vs area | Upload | Superfast | Gigabit | 5G |
|---|---|---|---|---|---|---|
| Mountsandel BT52 | 124 | +29 | 28 | 99% | 97% | 100% |
| Roeside BT49 | 103 | +8 | 22 | 91% | 81% | 100% |
| Portstewart BT55 | 101 | +7 | 25 | 100% | 99% | 100% |
| Hopefield BT56 | 100 | +6 | 25 | 100% | 97% | 100% |
| Macosquin BT51 | 95 | +1 | 21 | 97% | 88% | 99% |
| Kinbane BT54 | 90 | -4 | 21 | 98% | 87% | 100% |
| Dervock BT53 | 89 | -5 | 23 | 98% | 93% | 100% |
| Giant's Causeway BT57 | 77 | -17 | 19 | 91% | 87% | 100% |
| Carnlough and Glenarm BT44 | 73 | -21 | 18 | 98% | 93% | 99% |
Measured Ofcom data per Causeway Coast and Glens neighbourhood, ranked fastest first. Median and upload are in Mbps; vs area is the median difference from the Causeway Coast and Glens average; superfast, gigabit and 5G are the % of premises covered. Swipe the table sideways for more columns.
Postcode districts in Causeway Coast and Glens
Nearby areas
Frequently asked questions
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Speed and coverage figures for Causeway Coast and Glenscome from Ofcom's Connected Nations data, current to January 2026. Deal prices are pulled live from providers. Compiled by the FindBroadband team. See how we rank and source our data.