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Cell Coverage in St. Albans, England
Performance by Carrier in St. Albans
Compare real-world download speeds, upload performance, and latency for major carriers in St. Albans — based on millions of crowdsourced speed tests to help you find the fastest, most reliable network.
DownDownload
No data
UpUpload
No data
Reliab.Reliability
No data
DownDownload
135.6Mbps
UpUpload
4.8Mbps
Reliab.Reliability
8.8/ 10
11 tests conducted
DownDownload
52.2Mbps
UpUpload
6.0Mbps
Reliab.Reliability
8.9/ 10
12 tests conducted
DownDownload
38.7Mbps
UpUpload
3.5Mbps
Reliab.Reliability
8.5/ 10
19 tests conducted
These results compare 4 mobile carriers measured in St. Albans — Three, O2, Vodafone, EE — using median values calculated from crowdsourced speed tests. Each card shows download speed, upload speed, and reliability to give you a complete picture of real-world network performance.
O2 delivers the fastest median download at 135.6 Mbps, making it the top performer for raw download throughput. Three ranks highest for reliability with a score of 8.9/10, reflecting consistent connection quality across tests.
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Network Performance
Based on crowdsourced speed tests and signal measurements in St. Albans, England, get a complete view of mobile performance with area-wide benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics from real-world tests, then compare carriers side-by-side for speed, responsiveness, and availability.
Median Performance
Download
52.2Mbps
Upload
4.1Mbps
Latency
25ms
Reliability
9.3/ 10
Top Performers
Best Download: O2
135.6 Mbps
Best Upload: Three
6.0 Mbps
Best Latency: Vodafone
24 ms
Best Reliability: Three
8.9 / 10
Based on 42 speed tests
Network Performance aggregates all measured carriers in St. Albans to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.
These medians are calculated from 42 tests. Current medians are 52.2 Mbps download, 4.1 Mbps upload, and 25 ms latency.
Cell Coverage in St. Albans: FAQ
What is the best cell phone carrier in St. Albans?
Based on crowdsourced speed tests in St. Albans, O2 currently leads in median download speeds. Compare carriers in the performance table above for the latest results.
Why might this page show limited data for St. Albans?
We need at least 25 recent speed tests to generate reliable local metrics. If we don't have enough tests yet, the page focuses on maps and nearby locations while we keep collecting data.
What is the reliability score?
The reliability score summarizes how dependable mobile performance is in St. Albans. It uses a 0.0 to 10.0 scale (higher is better) and is calculated from real-world speed test percentiles with weighted components: download (50%), latency (30%), and upload (20%). It evaluates the lower-end experience using the bottom 10%, 5%, and 1% percentiles when enough samples are available. If local speed testing is limited, a coverage-based fallback is used from signal quality distribution (great/good/poor).
How can I check coverage at my specific address in St. Albans?
Use the interactive map to check signal strength at your exact address. Visit the CoverageMap interactive map to explore 4G/5G availability.
How can I contribute coverage data for St. Albans?
Download the CoverageMap app and run a few speed tests with location enabled. Your results help improve coverage accuracy and unlock local rankings faster.
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