Ofcom data · 370 postcodes

KT23 broadband coverage — Guildford

Full-fibre, gigabit and superfast broadband availability across the KT23 postcode district, plus business broadband and leased-line options for Guildford.

Strong coverage

Superfast (30Mb+)

96.5%

Ultrafast (300Mb+)

52.6%

Gigabit-capable

48.9%

Below USO (10Mb)

Check broadband at your exact KT23 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 KT23

Broadband availability in the KT23 postcode district (Guildford) is Strong — superfast is near-universal and gigabit is rolling out. Across the 370 postcodes Ofcom measures in KT23, superfast broadband (30 Mbit/s or faster) reaches 96.5% of premises and gigabit-capable lines are available to 48.9%.

Around 0% of premises in KT23 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 KT23

Postcode	Superfast	Gigabit
KT23 3AA	100%	94.4%
KT23 3AB	100%	0%
KT23 3AD	100%	50%
KT23 3AE	100%	0%
KT23 3AF	100%	88%
KT23 3AG	100%	0%
KT23 3AH	100%	9.5%
KT23 3AL	100%	100%
KT23 3AN	100%	50%
KT23 3AP	100%	88.9%

Business broadband & leased lines in Guildford

Whether the KT23 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 KT23

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

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Nearby KT districts

KT12 — 88.6% gigabit KT22 — 65.1% gigabit KT13 — 68.6% gigabit KT3 — 89.7% gigabit KT6 — 82.2% gigabit KT15 — 83.6% gigabit KT19 — 95.2% gigabit KT17 — 95.1% gigabit KT2 — 74.8% gigabit KT20 — 64.7% gigabit

See all Kingston upon Thames (KT) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the KT23 area (Guildford)?

In the KT23 area (Guildford), superfast broadband (30 Mbit/s+) is available to approximately 96.5% of premises and gigabit-capable broadband to around 48.9%, 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 KT23 area (Guildford)?

Gigabit-capable coverage in the KT23 area (Guildford) stands at about 48.9% 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 KT23 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 KT23 area (Guildford)?

Most UK providers serve the KT23 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.