16 providers offer 189 broadband deals in Llannon, from £20 a month (£40 after 12 months) and up to 7,000 Mbps. Typical measured speed is 67 Mbps down and 20 Mbps up, 34% below the UK download average. Full fibre is available to 76.5% of homes.
Deals for Llannon (SA14), checked and refreshed daily.
Best value broadband deal in Llannon (SA14)
The best value in Llannon (SA14) 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 (SA14)
£22/mo
for 12 months, then £44/mo
Cheapest broadband deal in Llannon (SA14)
The cheapest deal in Llannon (SA14) 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. YouFibre is essentially level at £20.00 a month.
Cheapest in Llannon (SA14)
£20/mo
for 12 months, then £40/mo
Runner-up on price
£20/mo
No rises, no surprises.
Fastest broadband deal in Llannon (SA14)
The fastest deal available in Llannon (SA14) is You 8000 from YouFibre at 7,000 Mbps.
Fastest in Llannon (SA14)
£50/mo
No rises, no surprises.
Compare broadband deals in Llannon (SA14)
£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 Llannon (SA14)
16 providers serve Llannon (SA14) including Sky, BT and Vodafone, with YouFibre the fastest at 7,000 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 Llannon (SA14) download speed at 67 Mbps.
Upgrade nudge
Room to upgrade in Llannon (SA14)
Only 7% of the 9,800 connections here are on 300Mbps or faster, even though 77% 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 Llannon (SA14) line runs 67 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 77% of Llannon (SA14), and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Llannon (SA14) have?
Superfast broadband reaches 90% of Llannon (SA14) premises but gigabit only 77%, so around 13% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Llannon (SA14)?
Outdoor 5G reaches 92% of Llannon (SA14), 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.
How Llannon (SA14) compares within Carmarthenshire
Across 14 postcode districts in Carmarthenshire, by connection count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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Speed and coverage figures for Llannon (SA14)come 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.