London residents have 2 internet providers to choose from. CenturyLink is the most popular provider, offering DSL internet service. In our research, we have been seeing 10 Mbps for download speeds and 1 Mbps for upload speeds for CenturyLink customers over 72 recent tests. In addition to CenturyLink, cable internet service is also available from Suddenlink Communications.
See more detailed speed and coverage data below.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| CenturyLink DSL | 10 Mbps | 1 Mbps | 35 ms |
| Suddenlink Communications Cable | 21 Mbps | 18 Mbps | 50 ms |
| * Data from speed tests taken in the last 3 months | |||
CenturyLink is the most popular provider in London offering DSL internet service. Users have been getting 10 Mbps for download speeds and 1 Mbps for upload speeds over 72 recent tests.
CenturyLink has the 2nd fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in London. 50% of users saw download speeds slower than 10 Mbps, and 79% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 4, 2023 | 1 Mbps | 1 Mbps | 56 ms |
| March 1, 2023 | 19 Mbps | 3 Mbps | 25 ms |
| February 28, 2023 | 4 Mbps | 1 Mbps | 47 ms |
Suddenlink Communications is the 2nd most popular provider in London offering cable internet service. Users have been getting 21 Mbps for download speeds and 18 Mbps for upload speeds over 14 recent tests.
Suddenlink Communications has the fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in London. 50% of users saw download speeds between 10-25 Mbps, and 67% of users saw upload speeds between 10-25 Mbps.
Download Speeds
Upload Speeds
We’ll run a download test and an upload test to give you the full picture of your internet connection.