Ofcom data · 884 postcodes

CR4 broadband coverage — Croydon

Full-fibre, gigabit and superfast broadband availability across the CR4 postcode district, plus business broadband and leased-line options for Croydon.

Excellent coverage

Superfast (30Mb+)

99.4%

Ultrafast (300Mb+)

92.2%

Gigabit-capable

92.2%

Below USO (10Mb)

Check broadband at your exact CR4 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 CR4

Broadband availability in the CR4 postcode district (Croydon) is Excellent — gigabit-capable full fibre is widely available. Across the 884 postcodes Ofcom measures in CR4, superfast broadband (30 Mbit/s or faster) reaches 99.4% of premises and gigabit-capable lines are available to 92.2%.

Around 0% of premises in CR4 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 CR4

Postcode	Superfast	Gigabit
CR4 1AA	100%	100%
CR4 1AB	100%	100%
CR4 1AD	100%	100%
CR4 1AE	100%	100%
CR4 1AF	100%	100%
CR4 1AG	100%	100%
CR4 1AH	100%	100%
CR4 1AJ	100%	100%
CR4 1AL	100%	100%
CR4 1AN	100%	100%

Business broadband & leased lines in Croydon

Whether the CR4 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 CR4

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

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Nearby CR districts

CR0 — 82.4% gigabit CR2 — 86% gigabit CR8 — 72.6% gigabit CR3 — 74.3% gigabit CR5 — 79.9% gigabit CR7 — 94.5% gigabit CR6 — 68.1% gigabit CR9 — 25.5% gigabit

See all Croydon (CR) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the CR4 area (Croydon)?

In the CR4 area (Croydon), superfast broadband (30 Mbit/s+) is available to approximately 99.4% of premises and gigabit-capable broadband to around 92.2%, 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 CR4 area (Croydon)?

Gigabit-capable coverage in the CR4 area (Croydon) stands at about 92.2% 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 CR4 area (Croydon)?

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 CR4 area (Croydon)?

Most UK providers serve the CR4 area (Croydon) 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.