22 providers offer 291 broadband deals in Sleaford, from £15.00 a month and up to 7,000 Mbps. Typical measured speed is 78 Mbps down and 24 Mbps up, 23% below the UK download average.
Best value broadband deal in Sleaford, North Kesteven
The best value in Sleaford, North Kesteven on full first-year cost is Plusnet's Full Fibre 145: £292 across year one, about £24 a month. A £155 reward card is bundled in. 145 Mbps covers streaming, video calls and working from home.
Best value in Sleaford, North Kesteven
£22.99/mo
rises to £26.99 in March 2027 (+£4)
Avg £26.32/mo over contract · £632 total over 24 months
Fastest broadband deal in Sleaford, North Kesteven
The fastest deal available in Sleaford, North Kesteven is You 8000 from YouFibre at 7,000 Mbps. Next fastest is Full Fibre 5 Gigafast+ from Sky at 5,000 Mbps.
Fastest in Sleaford, North Kesteven
£99/mo
No rises, no surprises.
£1188 total over 12 months
Runner-up on speed
Full Fibre 5 Gigafast+
3000 Mbps upload · Full Fibre
Best for power users & big households
£80/mo
No rises, no surprises.
£1925 total over 24 months
Cheapest broadband deal in Sleaford, North Kesteven
The cheapest deal in Sleaford, North Kesteven is Fast 24m from giffgaff at £5.00 a month for 200 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. The £5.00 is an intro price that rises to £25.00 a month after the intro window, making the real first-year cost £180. Comfortably faster than the UK average.
Cheapest in Sleaford, North Kesteven
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Sleaford, North Kesteven
£1/mo
for 1 month, then £28.99/mo
Avg £27.82/mo over contract · £668 total over 24 months
£29/mo
rises to £31 in April 2027 (+£2)
Avg £30.50/mo over contract · £732 total over 24 months
Sky Full Fibre Gigafast
100 Mbps upload · Full Fibre
Best for power users & big households
£31/mo
No rises, no surprises.
£749 total over 24 months
Onestream Fibre 55
10 Mbps upload · Hybrid Fibre
Best for small homes, single 4K streamer
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Avg £22/mo over contract · £528 total over 24 months
Broadband providers in Sleaford, North Kesteven
22 providers serve Sleaford, North Kesteven, 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 Sleaford, North Kesteven download speed at 78 Mbps.
Upgrade nudge
Room to upgrade in Sleaford, North Kesteven
Only 10% of the 5,400 connections here are on 300Mbps or faster, even though 92% 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 Sleaford, North Kesteven line runs 78 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 92% of Sleaford, North Kesteven, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Sleaford, North Kesteven?
The wholesale networks carrying Sleaford, North Kesteven broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Independently-built fibre networks in Sleaford, North Kesteven, taken from the live deal mix. They don't cover every street, but on streets they reach, they typically beat the Openreach price.
- CityFibre: Sky, TalkTalk, The One Broadband, Vodafone, Zen Internet
- Hyperoptic
- 4th Utility: 4th Utility, Rise Fibre
- Quickline
Plus Openreach and Virgin Media O2 (Openreach is on every street, so the interesting variable is the altnets).
Today's live count in Sleaford, North Kesteven: 22 providers on the page.
What broadband coverage does Sleaford, North Kesteven have?
Superfast broadband reaches 99% of Sleaford, North Kesteven premises but gigabit only 92%, so around 7% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Sleaford, North Kesteven?
Outdoor 5G reaches 96% of Sleaford, North Kesteven homes. Here is how mobile holds up if the line drops.
More areas in North Kesteven
Nearby areas
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* Based on Go.Compare research estimating that 28% of UK broadband users pay for faster broadband speeds than they need (which we interpret as overpaying), equivalent to around 7.5m UK households.
Speed and coverage figures for Sleaford, North Kestevencome 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.