Ofcom data · 901 postcodes

SR3 broadband coverage — Sunderland

Full-fibre, gigabit and superfast broadband availability across the SR3 postcode district, plus business broadband and leased-line options for Sunderland.

Excellent coverage

Superfast (30Mb+)

97.3%

Ultrafast (300Mb+)

89.1%

Gigabit-capable

89%

Below USO (10Mb)

Check broadband at your exact SR3 postcode

District figures are an average — get the precise availability, full-fibre status and mobile signal for your address.

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Broadband in SR3

Broadband availability in the SR3 postcode district (Sunderland) is Excellent — gigabit-capable full fibre is widely available. Across the 901 postcodes Ofcom measures in SR3, superfast broadband (30 Mbit/s or faster) reaches 97.3% of premises and gigabit-capable lines are available to 89%.

Around 0% of premises in SR3 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in SR3

Postcode	Superfast	Gigabit
SR3 1AA	33.3%	0%
SR3 1AB	100%	50%
SR3 1AE	100%	100%
SR3 1AF	100%	87.5%
SR3 1AH	100%	100%
SR3 1AJ	100%	100%
SR3 1AL	100%	100%
SR3 1AN	100%	97.2%
SR3 1AP	100%	100%
SR3 1AQ	100%	11.1%

Business broadband & leased lines in Sunderland

Whether the SR3 district has full fibre yet or not, we can connect your business. Where FTTP and gigabit are live we quote ultrafast full-fibre; where they aren't, a leased line still delivers guaranteed, symmetric speeds with an SLA. We also handle mobile coverage and VoIP for the same site.

Get a business broadband quote for SR3

Free, no obligation — full fibre, leased line or FTTC, matched to what's actually available at your postcode.

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Nearby SR districts

SR8 — 88.2% gigabit SR4 — 88.3% gigabit SR5 — 89.5% gigabit SR2 — 88.8% gigabit SR7 — 61.4% gigabit SR6 — 66.4% gigabit SR1 — 33.9% gigabit

See all Sunderland (SR) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the SR3 area (Sunderland)?

In the SR3 area (Sunderland), superfast broadband (30 Mbit/s+) is available to approximately 97.3% of premises and gigabit-capable broadband to around 89%, based on Ofcom Connected Nations data. Exact availability varies by postcode — enter your full postcode in our checker for a precise result.

Can I get full-fibre or gigabit broadband in the SR3 area (Sunderland)?

Gigabit-capable coverage in the SR3 area (Sunderland) stands at about 89% of premises. Where gigabit and full-fibre (FTTP) are live, businesses can order symmetric, low-latency connections — ideal for cloud, VoIP and multi-site working. If full fibre hasn't reached your premises yet, a leased line can still deliver guaranteed gigabit speeds.

How do I check broadband at my exact address in the SR3 area (Sunderland)?

Use the free broadband postcode checker on this page: enter your postcode to see fixed-broadband availability, gigabit/full-fibre coverage and mobile signal for all four networks at that location, sourced from official Ofcom data.

Who provides business broadband in the SR3 area (Sunderland)?

Most UK providers serve the SR3 area (Sunderland) over the Openreach and (where present) CityFibre or Virgin Media networks. Connection Technologies arranges business broadband, full-fibre (FTTP) and leased lines across the area — request a quote to compare options for your postcode.

Broadband availability data © 2026 Ofcom (Connected Nations), licensed under the Open Government Licence v3.0. Figures are area averages and predictions; availability at an individual address may differ — always confirm with a postcode-level check.