Ofcom data · 402 postcodes

GU3 broadband coverage — Guildford

Full-fibre, gigabit and superfast broadband availability across the GU3 postcode district, plus business broadband and leased-line options for Guildford.

Strong coverage

Superfast (30Mb+)

90.2%

Ultrafast (300Mb+)

58.8%

Gigabit-capable

57.5%

Below USO (10Mb)

Check broadband at your exact GU3 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 GU3

Broadband availability in the GU3 postcode district (Guildford) is Strong — superfast is near-universal and gigabit is rolling out. Across the 402 postcodes Ofcom measures in GU3, superfast broadband (30 Mbit/s or faster) reaches 90.2% of premises and gigabit-capable lines are available to 57.5%.

Around 0% of premises in GU3 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 GU3

Postcode	Superfast	Gigabit
GU3 1AA	0%	0%
GU3 1AD	100%	100%
GU3 1AE	100%	100%
GU3 1AF	100%	83.3%
GU3 1AG	100%	100%
GU3 1AH	100%	100%
GU3 1AJ	80%	80%
GU3 1AL	88.9%	88.9%
GU3 1AN	100%	75%
GU3 1AP	87.5%	87.5%

Business broadband & leased lines in Guildford

Whether the GU3 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 GU3

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

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Nearby GU districts

GU14 — 91.9% gigabit GU34 — 58.4% gigabit GU21 — 75.9% gigabit GU10 — 32.5% gigabit GU9 — 64.2% gigabit GU1 — 76.9% gigabit GU22 — 77.4% gigabit GU15 — 86.3% gigabit GU12 — 88.2% gigabit GU51 — 80.5% gigabit

See all Guildford (GU) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the GU3 area (Guildford)?

In the GU3 area (Guildford), superfast broadband (30 Mbit/s+) is available to approximately 90.2% of premises and gigabit-capable broadband to around 57.5%, 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 GU3 area (Guildford)?

Gigabit-capable coverage in the GU3 area (Guildford) stands at about 57.5% 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 GU3 area (Guildford)?

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 GU3 area (Guildford)?

Most UK providers serve the GU3 area (Guildford) 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.