Broadband & Mobile Availability for Southend-on-Sea
Official Broadband and Mobile Statistics for 2024
Access to high-speed Ultrafast broadband is exceptional at 95.6%, placing Southend-on-Sea among the top performing areas nationally. Southend-on-Sea is lagging slightly behind in 5G, with signal coverage at just 52.06%, compared to the 62% average(Sep 2025).
Check availability and speed for any UK property
Broadband Network Coverage for Southend-on-Sea
| Broadband Type | Availability | Avg Download Speed | Avg Upload Speed |
|---|---|---|---|
Ultrafast (Above 300 Mbit/s) | 95.6% | 1007 Mbps | 637 Mbps |
Superfast (Below 100 Mbit/s) | 3.9% | 66 Mbps | 26.7 Mbps |
Standard (Below 30 Mbit/s) | 0.4% | 18.9 Mbps | 1.6 Mbps |
Below USO (Below 10 Mbit/s) | 0% | 6.5 Mbps | 1.1 Mbps |
Source: Ofcom Connected Nations data, (July 2024). Some data may be overlapping or lacking accuracy
Check availability and speed for any UK property
Mobile Network Coverage & Non-Spots
Future-Ready Signal
9.9% below UK average
This shows the percentage of land area covered by at least one 5G network. The score of 52.06% is significantly below the national average (62%), indicating limited 5G investment to date.
Reliable 4G Coverage
4.0% above UK average
This critical score shows the percentage of Southend-on-Sea's land area where all four major networks provide a dependable 4G signal. A result of 99.98% confirms near-universal coverage with minimal mobile ‘not-spot‘ risk.
Basic 3G Safety Net
99.0% below UK average
This indicates the reliability of the basic signal across the entire region (as of July 2024). At 0.1%, 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.