18 providers offer 197 broadband deals in Ystrad Mynach, from £20 a month (£40 after 12 months) and up to 7,000 Mbps. Typical measured speed is 59 Mbps down and 15 Mbps up, 42% below the UK download average. Full fibre is available to 75.0% of homes.
Deals for Ystrad Mynach (CF82), checked and refreshed daily.
Best value broadband deal in Ystrad Mynach (CF82)
The best value in Ystrad Mynach (CF82) 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 Ystrad Mynach (CF82)
£22/mo
for 12 months, then £44/mo
Cheapest broadband deal in Ystrad Mynach (CF82)
The cheapest deal in Ystrad Mynach (CF82) 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 Ystrad Mynach (CF82)
£20/mo
for 12 months, then £40/mo
Runner-up on price
£20/mo
No rises, no surprises.
Fastest broadband deal in Ystrad Mynach (CF82)
The fastest deal available in Ystrad Mynach (CF82) is You 8000 from YouFibre at 7,000 Mbps.
Fastest in Ystrad Mynach (CF82)
£50/mo
No rises, no surprises.
Compare broadband deals in Ystrad Mynach (CF82)
£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 Ystrad Mynach (CF82)
18 providers serve Ystrad Mynach (CF82) 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 Ystrad Mynach (CF82) download speed at 59 Mbps.
Upgrade nudge
Room to upgrade in Ystrad Mynach (CF82)
Only 3% of the 5,500 connections here are on 300Mbps or faster, even though 75% 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 Ystrad Mynach (CF82) line runs 59 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 75% of Ystrad Mynach (CF82), and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Ystrad Mynach (CF82) have?
Superfast broadband reaches 98% of Ystrad Mynach (CF82) premises but gigabit only 75%, so around 23% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Ystrad Mynach (CF82)?
Outdoor 5G reaches 100% of Ystrad Mynach (CF82) 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.
5G & 4G home broadband
Outdoor 5G covers 100% of Ystrad Mynach (CF82), enough for a 5G home-broadband hub to stand in for a fixed line.
How Ystrad Mynach (CF82) compares within Caerphilly
Across 6 postcode districts in Caerphilly, by connection count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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Speed and coverage figures for Ystrad Mynach (CF82)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.