Three UK Speed Test - Check 5G & Broadband Speed
Test your Three UK internet speed in United Kingdom
www.three.co.ukThree UK is one of the UK's four major mobile network operators with 10 million mobile customers. Three offers affordable 5G home broadband starting at £20 per month and Full Fibre plans via Openreach. Test your Three connection to measure actual download, upload, and latency performance on mobile or home broadband.
About Three UK
Three UK launched in 2003 as the UK's first 3G-only network and is owned by CK Hutchison Holdings. Headquartered in Reading, Three serves approximately 10 million mobile customers and has expanded into home broadband.
Three was the first UK network to offer unlimited data as standard and pioneered affordable 5G home broadband as an alternative to fixed-line services. In 2024, Three UK announced a merger with Vodafone UK pending regulatory approval. Three operates its own 4G and 5G network infrastructure across the UK.
Three UK Plans and Services
Three UK offers several internet plans across different technologies and price points.
Three mobile plans include unlimited data SIM-only from £12 per month and contract phones with 5G included. 5G Home Broadband starts at £20 per month for average 100-300 Mbps with unlimited data.
Full Fibre plans use Openreach infrastructure at £25 for 150 Mbps and £30 for 500 Mbps. Three offers competitive pricing on 5G home broadband, often the cheapest option for wireless home internet in the UK.
Three UK Internet Plans
| Plan | Speed | Price | Features |
|---|---|---|---|
| 5G Home Broadband mobile | 100-300 Mbps | £20/month |
|
| 5G Home Broadband Plus mobile | 300-500 Mbps | £30/month |
|
| Full Fibre 150 fiber | 150 Mbps | £25/month |
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| Full Fibre 500 fiber | 500 Mbps | £30/month |
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Prices and availability may vary by location. Contact Three UK for current offers.
Mobile Data Settings
Need to configure your Three UK mobile data? View the complete APN settings for Android and iOS devices.
View Three UK APN SettingsTest Your Three UK Speed
Run a free speed test to check if Three UK delivers the speeds you are paying for. Test during peak evening hours for the most realistic results. Compare your results against Three UK advertised speeds above.
Three UK Speed Test FAQ
How fast is Three internet?
Three mobile speeds average 30-80 Mbps on 4G and 100-300 Mbps on 5G depending on location and congestion. Three 5G Home Broadband delivers average speeds of 100-500 Mbps with peaks over 1 Gbps in optimal conditions. Full Fibre plans offer 150-500 Mbps. Three's network performance has improved significantly with 5G rollout. Run a speed test to check your actual Three connection speed.
Is Three 5G home broadband reliable?
Three 5G Home Broadband works well in areas with strong 5G coverage, delivering consistent speeds of 100-300+ Mbps. Reliability depends on your 5G signal strength, which varies by location. Three provides a coverage checker and 30-day satisfaction guarantee. For buildings with poor 5G reception, Three Full Fibre may be more reliable. The 5G router includes external antenna ports for signal improvement.
How do I test my Three speed?
Use the speed test tool on this page to measure your Three download speed, upload speed, and ping latency. For mobile testing, ensure 5G or 4G signal and disable WiFi. For 5G home broadband, position the router near a window for best signal. For Full Fibre, connect via ethernet for accurate results. Test at different times to understand typical performance. The test takes about 30 seconds.
Is Three merging with Vodafone?
Yes, Three UK and Vodafone UK announced a merger in 2024 pending regulatory approval from the Competition and Markets Authority (CMA). The combined company would serve approximately 28 million mobile customers. Current Three customers can continue using existing plans and services. Any changes following merger completion would be communicated by Three directly to customers.