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Broadband in Seaham

93% of homes in Seaham can get gigabit broadband, 6 points above the County Durham average of 88% and 4 points above the England figure of 90%. 99% can get superfast speeds of 30Mbps or more.

Most homes in Seaham can get gigabit broadband.

  • Gigabit
    1,000Mbps or faster
    93%
  • Ultrafast
    300Mbps or faster
    94%
  • Fast
    100Mbps or faster
    95%
  • Superfast
    30Mbps or faster
    99%
  • No decent service
    Under 10Mbps from fixed lines or wireless
    0.1%
Average share of homes able to get each speed across 535 postcodes in Seaham (SR7). Source: Ofcom Connected Nations, January 2026.

Street by street

90%
of Seaham's postcodes have gigabit broadband for every home
6%
of postcodes have no gigabit broadband at all yet
0.2%
of postcodes include homes that can't get decent broadband

Seaham ranks 10th of 25 towns in County Durham for gigabit coverage. See all towns in County Durham.

How Seaham compares

AreaGigabit300Mbps+Superfast
Seaham93%94%99%
County Durham88%87%98%
England90%90%98%
United Kingdom89%89%98%

Nearby towns

Choosing a provider in Seaham

Most addresses in Seaham can order from providers on the Openreach network. If Openreach has built full fibre to your street, all of them can sell it to you, so the choice comes down to price, the yearly price rise and customer service.

Virgin Media and independent full fibre networks only cover the streets they have built. If one of them covers you, it can be worth comparing, as they often sell faster speeds for similar money.

  • BTRises £4.00 a month each year
  • EERises £4.00 a month each year
  • SkyYearly rise not fixed at sale
  • TalkTalkRises £4.00 a month each year
  • VodafoneRises £3.50 a month each year
  • PlusnetRises £4.00 a month each year
  • NOW BroadbandYearly rise not fixed at sale
  • Zen InternetNo mid-contract rises

Questions

Can I get full fibre in Seaham?
Most homes in Seaham can get gigabit-capable broadband (93%), which in practice means full fibre or Virgin Media's cable network. Across County Durham as a whole, 86% of homes can get full fibre. Coverage changes street by street, so check your own postcode.
What is the fastest broadband in Seaham?
Gigabit speeds of 1,000Mbps or more are available to 93% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.
Which broadband providers cover Seaham?
Providers that use the Openreach network, including BT, EE, Sky, Plusnet, Vodafone, TalkTalk and NOW, can sell to most addresses. Where Openreach has built full fibre they sell that too. Virgin Media and independent full fibre networks only cover the streets they have built.
Are there homes in Seaham that can't get decent broadband?
Yes. 0.2% of postcodes in Seaham include at least some homes that can't get a decent 10Mbps service from a fixed line or wireless network. Those homes may qualify for the broadband Universal Service Obligation.

Figures are averages of the share of homes able to get each speed in every postcode Ofcom lists for Seaham, from Ofcom Connected Nations (January 2026). Postcodes are matched to towns using Ordnance Survey OS Open Names. Contains OS data © Crown copyright and database right. How we calculate this.