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Cell Coverage in Hemel Hempstead, England
Performance by Carrier in Hemel Hempstead
Compare real-world download speeds, upload performance, and latency for major carriers in Hemel Hempstead — based on millions of crowdsourced speed tests to help you find the fastest, most reliable network.
DownDownload
32.8Mbps
UpUpload
5.3Mbps
Reliab.Reliability
0.0/ 10
Less than 10 tests conducted
DownDownload
No data
UpUpload
No data
Reliab.Reliability
No data
DownDownload
114.4Mbps
UpUpload
6.2Mbps
Reliab.Reliability
8.3/ 10
13 tests conducted
DownDownload
27.6Mbps
UpUpload
9.5Mbps
Reliab.Reliability
10.0/ 10
58 tests conducted
These results compare 4 mobile carriers measured in Hemel Hempstead — 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.
Three delivers the fastest median download at 114.4 Mbps, making it the top performer for raw download throughput. Vodafone ranks highest for reliability with a score of 10.0/10, reflecting consistent connection quality across tests.
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Network Performance
Based on crowdsourced speed tests and signal measurements in Hemel Hempstead, 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
29.3Mbps
Upload
8.4Mbps
Latency
44ms
Reliability
9.8/ 10
Top Performers
Best Download: Three
114.4 Mbps
Best Upload: Vodafone
9.5 Mbps
Best Latency: Three
28 ms
Best Reliability: Vodafone
10.0 / 10
Based on 72 speed tests
Network Performance aggregates all measured carriers in Hemel Hempstead 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 72 tests. Current medians are 29.3 Mbps download, 8.4 Mbps upload, and 44 ms latency.
Cell Coverage in Hemel Hempstead: FAQ
What is the best cell phone carrier in Hemel Hempstead?
Based on crowdsourced speed tests in Hemel Hempstead, Three 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 Hemel Hempstead?
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 Hemel Hempstead. 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 Hemel Hempstead?
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 Hemel Hempstead?
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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