Cell Coverage in Surbiton, England

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Performance by Carrier in Surbiton

Compare real-world download speeds, upload performance, and latency for major carriers in Surbiton — based on millions of crowdsourced speed tests to help you find the fastest, most reliable network.

EE logo
Down
48.1Mbps
Up
11.0Mbps
Reliab.
9.7/ 10

40 tests conducted

View Carrier
O2 logo
Down
79.6Mbps
Up
10.3Mbps
Reliab.
10.0/ 10

36 tests conducted

View Carrier
Three logo
Down
23.7Mbps
Up
13.8Mbps
Reliab.
9.3/ 10

11 tests conducted

View Carrier
Vodafone logo
Down
57.5Mbps
Up
6.8Mbps
Reliab.
6.6/ 10

38 tests conducted

View Carrier

These results compare 4 mobile carriers measured in Surbiton — 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 79.6 Mbps, making it the top performer for raw download throughput. O2 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 Surbiton, 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

49.0Mbps

Upload

8.9Mbps

Latency

29ms

Reliability

8.2/ 10

Top Performers

Best Download: O2

79.6 Mbps

Best Upload: Three

13.8 Mbps

Best Latency: EE

25 ms

Best Reliability: O2

10.0 / 10

Based on over 100 speed tests

Network Performance aggregates all measured carriers in Surbiton 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 over 100 tests. Current medians are 49.0 Mbps download, 8.9 Mbps upload, and 29 ms latency.

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Cell Coverage in Surbiton: FAQ

What is the best cell phone carrier in Surbiton?

Based on crowdsourced speed tests in Surbiton, 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 Surbiton?

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 Surbiton. 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 Surbiton?

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 Surbiton?

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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