Can I get full fibre in Welwyn?

Most homes in Welwyn can get gigabit-capable broadband (88%), which in practice means full fibre or Virgin Media's cable network. Across Welwyn Hatfield as a whole, 61% of homes can get full fibre. Coverage changes street by street, so check your own postcode.

What is the fastest broadband in Welwyn?

Gigabit speeds of 1,000Mbps or more are available to 88% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.

Which broadband providers cover Welwyn?

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 Welwyn that can't get decent broadband?

No. Every postcode in Welwyn has decent broadband (at least 10Mbps download) available from a fixed line or wireless network.

Broadband in Welwyn

88% of homes in Welwyn can get gigabit broadband, 2 points below the Welwyn Hatfield average of 90% and 1 points below the England figure of 90%. 99% can get superfast speeds of 30Mbps or more.

Most homes in Welwyn can get gigabit broadband.

Gigabit
1,000Mbps or faster
88%
Ultrafast
300Mbps or faster
88%
Fast
100Mbps or faster
88%
Superfast
30Mbps or faster
99%
No decent service
Under 10Mbps from fixed lines or wireless
0%

Average share of homes able to get each speed across 157 postcodes in Welwyn (AL6). Source: Ofcom Connected Nations, January 2026.

Street by street

82%

of Welwyn's postcodes have gigabit broadband for every home

of postcodes have no gigabit broadband at all yet

of postcodes include homes that can't get decent broadband

Welwyn ranks 2nd of 5 towns in Welwyn Hatfield for gigabit coverage. See all towns in Welwyn Hatfield.

How Welwyn compares

Area	Gigabit	300Mbps+	Superfast
Welwyn	88%	88%	99%
Welwyn Hatfield	90%	91%	99%
England	90%	90%	98%
United Kingdom	89%	89%	98%

Nearby towns

Oaklands86% gigabit
Welwyn Garden City91% gigabit
Wheathampstead97% gigabit
Hatfield81% gigabit
Stevenage89% gigabit
Harpenden93% gigabit

Choosing a provider in Welwyn

Most addresses in Welwyn 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 Welwyn?: Most homes in Welwyn can get gigabit-capable broadband (88%), which in practice means full fibre or Virgin Media's cable network. Across Welwyn Hatfield as a whole, 61% of homes can get full fibre. Coverage changes street by street, so check your own postcode.
What is the fastest broadband in Welwyn?: Gigabit speeds of 1,000Mbps or more are available to 88% of homes. Some providers sell faster packages again, up to several gigabits, on their own networks.
Which broadband providers cover Welwyn?: 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 Welwyn that can't get decent broadband?: No. Every postcode in Welwyn has decent broadband (at least 10Mbps download) available from a fixed line or wireless network.

Figures are averages of the share of homes able to get each speed in every postcode Ofcom lists for Welwyn, 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.