15 providers offer 181 broadband deals in Llannon, from £20 a month (£40 after 12 months) and up to 1,600 Mbps. Typical measured speed is 115 Mbps down and 22 Mbps up, 14% above the UK download average. Full fibre is available to 35.4% of homes.
Deals for Llannon, checked and refreshed daily.
Best value broadband deal in Llannon
The best value in Llannon 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 Llannon
£22/mo
for 12 months, then £44/mo
Cheapest broadband deal in Llannon
The cheapest deal in Llannon 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. Onestream is essentially level at £20.86 a month.
Cheapest in Llannon
£20/mo
for 12 months, then £40/mo
Runner-up on price
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Fastest broadband deal in Llannon
The fastest deal available in Llannon is Full Fibre 1.6GB from EE at 1,600 Mbps. Zen Internet matches it at the same top speed.
Fastest in Llannon
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Runner-up on speed
£45/mo
No rises, no surprises.
Compare broadband deals in Llannon
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£23/mo
No rises, no surprises.
£23.99/mo
rises to £27.99 in March 2027 (+£4)
£25/mo
rises to £29 in April 2027 (+£4)
Broadband providers in Llannon
15 providers serve Llannon including Sky, BT and Vodafone, with EE the fastest at 1,600 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 Llannon download speed at 115 Mbps.
Upgrade nudge
You could be getting more.
Prices drift above the market rate the longer a contract runs, so if you have not compared in over a year you are likely paying more than you need to.
Is your broadband good enough?
The typical Llannon line runs 115 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 35% of Llannon, and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Llannon have?
Superfast broadband reaches 57% of Llannon premises but gigabit only 35%, so around 22% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Llannon?
Outdoor 5G reaches 92% of Llannon, but 2% of homes get no indoor 4G from any network, so a mobile backup here wants a window.
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.
More areas in Carmarthenshire
Nearby areas
Frequently asked questions
Ready to switch
See what's actually live in Llannon.
Enter your address and we'll show every deal you can genuinely order on your line, ranked by what you'll pay across the whole contract, not by who pays us.
Speed and coverage figures for Llannoncome 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.