11 providers offer 41 broadband deals in Cubert, from £19.94 a month and up to 80 Mbps. Typical measured speed is 42 Mbps down and 8 Mbps up, 58% below the UK download average. Full fibre is available to 16.7% of homes.
Deals for Cubert, checked and refreshed daily.
Cheapest broadband deal in Cubert
The cheapest deal in Cubert is Onestream Fibre 55 from Onestream at £19.94 a month for 40 Mbps. POP Telecom is essentially level at £22.00 a month. Well below the UK average, which shows on a busy evening.
Cheapest in Cubert
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Runner-up on price
£21/mo
rises to £24 in April 2027 (+£3)
Fastest broadband deal in Cubert
The fastest deal available in Cubert is Onestream Fibre 80 from Onestream at 80 Mbps. Below the UK average on download.
Fastest in Cubert
£21.45/mo
rises to £24.20 in April 2027 (+£2.75)
Compare broadband deals in Cubert
£24/mo
No rises, no surprises.
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£21/mo
rises to £24 in April 2027 (+£3)
£24/mo
No rises, no surprises.
Broadband providers in Cubert
11 providers serve Cubert including Sky, BT and Vodafone, with Onestream the fastest at 80 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 Cubert download speed at 42 Mbps.
Upgrade nudge
You could be getting more.
Slow broadband here is usually the contract, not the line. A faster package may already be available at your address for similar money.
Is your broadband good enough?
The typical Cubert line runs 42 Mbps.
Working from home
StrugglingStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 17% of Cubert, and the fastest available is 550 Mbps. The full split by band is below.
What broadband coverage does Cubert have?
Superfast broadband reaches 71% of Cubert premises but gigabit only 17%, so around 54% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Cubert?
Outdoor 5G reaches 90% of Cubert, 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 Cornwall
Nearby areas
Frequently asked questions
Ready to switch
See what's actually live in Cubert.
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 Cubertcome 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.