Broadband & Mobile Availability for Arun

Official Broadband and Mobile Statistics for 2024

Arun shows a noticeable shortfall in Ultrafast (Full Fibre) access. The 47.4% coverage is well below the 70% national benchmark (Sep 2025). 5G geographic reach is considerably limited at just 38.41%, placing Arun in the lowest tier of national investment compared to the 62% average (Sep 2025).

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Broadband Network Coverage for Arun

Broadband TypeAvailabilityAvg Download SpeedAvg Upload Speed
Ultrafast
(Above 300 Mbit/s)
47.4%985 Mbps484 Mbps
Superfast
(Below 100 Mbit/s)
50.2%59 Mbps15.4 Mbps
Standard
(Below 30 Mbit/s)
2.3%18.6 Mbps2.3 Mbps
Below USO
(Below 10 Mbit/s)
0.2%6.2 Mbps1.1 Mbps

Source: Ofcom Connected Nations data, (July 2024). Some data may be overlapping or lacking accuracy

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Mobile Network Coverage & Non-Spots

A snapshot of signal strength across Arun's area and surroundings, showing the reliability of current networks and future readiness.

Future-Ready Signal

5G

23.6% below UK average

This shows the percentage of land area covered by at least one 5G network. The score of 38.41% is significantly below the national average (62%), indicating limited 5G investment to date.

Reliable 4G Coverage

4G

6.6% below UK average

This critical score shows the percentage of Arun's land area where all four major networks provide a dependable 4G signal. At 89.4%, there are notable mobile ‘not-spot‘ coverage gaps.

Basic 3G Safety Net

3G

88.3% below UK average

This indicates the reliability of the basic signal across the entire region (as of July 2024). At 10.85%, the safety net for basic calls shows some gaps.

Mobile Geographic coverage (Spring 2025)
  • 3G is being phased out by most operators, making its coverage minimal and its use declining. Presence seems to be limited in rural areas.
  • Coverage varies significantly, with rural areas having much lower 4G and 5G availability than urban areas.
  • The percentage of 5G connections is growing rapidly, while the percentage of 4G connections is decreasing and overtaken more often.