Ofcom data · 436 postcodes

CT18 broadband coverage — Dover

Full-fibre, gigabit and superfast broadband availability across the CT18 postcode district, plus business broadband and leased-line options for Dover.

Strong coverage

Superfast (30Mb+)

87.2%

Ultrafast (300Mb+)

57.2%

Gigabit-capable

57.2%

Below USO (10Mb)

1.1%

Check broadband at your exact CT18 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 CT18

Broadband availability in the CT18 postcode district (Dover) is Strong — superfast is near-universal and gigabit is rolling out. Across the 436 postcodes Ofcom measures in CT18, superfast broadband (30 Mbit/s or faster) reaches 87.2% of premises and gigabit-capable lines are available to 57.2%.

Around 1.1% of premises in CT18 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 CT18

Postcode	Superfast	Gigabit
CT18 7AA	0%	0%
CT18 7AB	0%	0%
CT18 7AD	0%	0%
CT18 7AE	26.1%	0%
CT18 7AF	85.7%	0%
CT18 7AG	100%	91.7%
CT18 7AH	83.3%	0%
CT18 7AJ	0%	0%
CT18 7AL	50%	0%
CT18 7AN	100%	100%

Business broadband & leased lines in Dover

Whether the CT18 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 CT18

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

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Nearby CT districts

CT14 — 74.7% gigabit CT9 — 73.2% gigabit CT6 — 82.7% gigabit CT5 — 75.6% gigabit CT1 — 57.9% gigabit CT11 — 75.1% gigabit CT4 — 28.8% gigabit CT3 — 36.8% gigabit CT10 — 80.6% gigabit CT2 — 35.7% gigabit

See all Canterbury (CT) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the CT18 area (Dover)?

In the CT18 area (Dover), superfast broadband (30 Mbit/s+) is available to approximately 87.2% of premises and gigabit-capable broadband to around 57.2%, 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 CT18 area (Dover)?

Gigabit-capable coverage in the CT18 area (Dover) stands at about 57.2% 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 CT18 area (Dover)?

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 CT18 area (Dover)?

Most UK providers serve the CT18 area (Dover) 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.