Broadband & Mobile Availability for Belfast
Official Broadband and Mobile Statistics for 2024
Access to high-speed Ultrafast broadband is exceptional at 90.6%, placing Belfast among the top performing areas nationally. 5G geographic reach is considerably limited at just 28.26%, placing Belfast in the lowest tier of national investment compared to the 62% average (Sep 2025).
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Broadband Network Coverage for Belfast
| Broadband Type | Availability | Avg Download Speed | Avg Upload Speed |
|---|---|---|---|
Ultrafast (Above 300 Mbit/s) | 90.6% | 1084 Mbps | 110 Mbps |
Superfast (Below 100 Mbit/s) | 8.3% | 64 Mbps | 15.7 Mbps |
Standard (Below 30 Mbit/s) | 0.9% | 18.4 Mbps | 1.4 Mbps |
Below USO (Below 10 Mbit/s) | 0.3% | 6 Mbps | 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
Future-Ready Signal
33.7% below UK average
This shows the percentage of land area covered by at least one 5G network. The score of 28.26% is significantly below the national average (62%), indicating limited 5G investment to date.
Reliable 4G Coverage
Similar to UK average
This critical score shows the percentage of Belfast's land area where all four major networks provide a dependable 4G signal. A result of 97.67% confirms strong coverage with low mobile ‘not-spot‘ risk.
Basic 3G Safety Net
98.8% below UK average
This indicates the reliability of the basic signal across the entire region (as of July 2024). At 0.31%, the safety net for basic calls shows some gaps.
- 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.