18 providers offer 213 broadband deals in Sedgefield, from £15.00 a month and up to 1,600 Mbps. Typical measured speed is 61 Mbps down and 15 Mbps up, 40% below the UK download average.
Best value broadband deal in Sedgefield, County Durham (TS21)
The best value in Sedgefield, County Durham (TS21) 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 Sedgefield, County Durham (TS21)
£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 Sedgefield, County Durham (TS21)
The fastest deal available in Sedgefield, County Durham (TS21) is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Sedgefield, County Durham (TS21)
Full Fibre 1.6GB Premium
115 Mbps upload · Full Fibre
Best for power users & big households
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Avg £37.32/mo over contract · £896 total over 24 months
Cheapest broadband deal in Sedgefield, County Durham (TS21)
The cheapest deal in Sedgefield, County Durham (TS21) 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 Sedgefield, County Durham (TS21)
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Sedgefield, County Durham (TS21)
£5/mo
for 6 months, then £28/mo
Avg £22.25/mo over contract · £534 total over 24 months
Gig1 Broadband Only
41 Mbps upload · Hybrid Fibre-Coaxial
Best for power users & big households
£25.99/mo
rises to £29.99 in April 2027 (+£4)
Avg £28.99/mo over contract · £696 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 Sedgefield, County Durham (TS21)
18 providers serve Sedgefield, County Durham (TS21), 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 Sedgefield, County Durham (TS21) download speed at 61 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 Sedgefield, County Durham (TS21) line runs 61 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 39% of Sedgefield, County Durham (TS21), and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Sedgefield, County Durham (TS21)?
The wholesale networks carrying Sedgefield, County Durham (TS21) broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Altnets reaching Sedgefield, County Durham (TS21): the full-fibre networks that compete with Openreach. Where they reach, they're usually the cheapest gigabit option.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
Openreach and Virgin Media O2 run alongside the altnets in Sedgefield, County Durham (TS21) (Openreach has a nationwide footprint, so it'll be available).
18 providers compete for Sedgefield, County Durham (TS21) broadband customers right now.
What broadband coverage does Sedgefield, County Durham (TS21) have?
Superfast broadband reaches 73% of Sedgefield, County Durham (TS21) premises but gigabit only 39%, so around 34% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Sedgefield, County Durham (TS21)?
Outdoor 5G reaches 99% of Sedgefield, County Durham (TS21) homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 99% of Sedgefield, County Durham (TS21), enough for a 5G home-broadband hub to stand in for a fixed line.
How Sedgefield, County Durham (TS21) compares within County Durham
Across 21 postcode districts in County Durham, by premises count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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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 Sedgefield, County Durham (TS21)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.