16 providers offer 208 broadband deals in Sedgefield, from £20 a month (£40 after 12 months) and up to 1,600 Mbps. Typical measured speed is 61 Mbps down and 15 Mbps up, 40% below the UK download average. Full fibre is available to 37.5% of homes.
Deals for Sedgefield (TS21), checked and refreshed daily.
Best value broadband deal in Sedgefield (TS21)
The best value in Sedgefield (TS21) 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 Sedgefield (TS21)
£22/mo
for 12 months, then £44/mo
Cheapest broadband deal in Sedgefield (TS21)
The cheapest deal in Sedgefield (TS21) 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. Virgin Media O2 is essentially level at £20.32 a month.
Cheapest in Sedgefield (TS21)
£20/mo
for 12 months, then £40/mo
Runner-up on price
£18.99/mo
rises to £22.99 in April 2027 (+£4)
Fastest broadband deal in Sedgefield (TS21)
The fastest deal available in Sedgefield (TS21) is Full Fibre 1.6GB from EE at 1,600 Mbps. Zen Internet matches it at the same top speed.
Fastest in Sedgefield (TS21)
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Runner-up on speed
£45/mo
No rises, no surprises.
Compare broadband deals in Sedgefield (TS21)
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£23/mo
No rises, no surprises.
£23.99/mo
rises to £27.99 in March 2027 (+£4)
£18.99/mo
rises to £22.99 in April 2027 (+£4)
Broadband providers in Sedgefield (TS21)
16 providers serve Sedgefield (TS21) including Virgin Media, Sky and BT, 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 (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 (TS21) line runs 61 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 39% of Sedgefield (TS21), and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Sedgefield (TS21) have?
Superfast broadband reaches 73% of Sedgefield (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 (TS21)?
Outdoor 5G reaches 99% of Sedgefield (TS21) 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 99% of Sedgefield (TS21), enough for a 5G home-broadband hub to stand in for a fixed line.
How Sedgefield (TS21) compares within County Durham
Across 21 postcode districts in County Durham, by connection count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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Speed and coverage figures for Sedgefield (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.