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This test examines the latency (milliseconds), download and upload speed of your broadband connection in Megabits per second (estimated). Please try our Availability Checker to see which major networks are available in your area.
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 Speedtest
Please take note that this test can cope with both current and next generation Gigabit broadband speeds (up to around 1,000Mbps), although the dynamic nature of Internet connectivity means that the results may not always be 100% accurate. Tests conducted via WiFi may also produce a slower result, especially if others are using your network.

Powered by the thinkbroadband broadband speed test.
 Results - Big UK Home Broadband ISPs
The first set of results below only include the largest independent UK ISPs with a wide national availability, which is primarily because smaller and often faster altnet providers (Gigaclear, B4RN, Hyperoptic etc.) aren't yet available to the majority of people and others didn't produce enough test data to be included.
NOTE: The top 10% result below represents the speeds experienced by the fastest 10% of customers at each ISP (usually those with the best connections / fastest packages).

Average Download Speeds (Median)

No. Operator H2 - 2025 (Top 10%) H1 - 2025 (Top 10%) Change %
1. Virgin Media 262.9Mbps (774.3Mbps) 264Mbps (767.8Mbps) -0.42%
2. Zen Internet 103.7Mbps (889.6Mbps) 105.6Mbps (904.4Mbps) -1.8%
3. Vodafone 80.3Mbps (548Mbps) 67.9Mbps (463.9Mbps) 18.26%
4. EE 65.6Mbps (900.6Mbps) 75.1Mbps (715.1Mbps) -12.65%
5. BT 62.7Mbps (430.4Mbps) 66.5Mbps (441.1Mbps) -5.71%
6. Sky Broadband 61.1Mbps (231.5Mbps) 55.9Mbps (291.5Mbps) 9.3%
7. Plusnet 52.8Mbps (290.9Mbps) 48.5Mbps (262.2Mbps) 8.87%
8. TalkTalk 41.2Mbps (149.6Mbps) 37.5Mbps (147.6Mbps) 9.87%

Average Upload Speeds (Median)

No. Operator H2 - 2025 H1 - 2025 Change %
1. Zen Internet 37.2Mbps 46.3Mbps -19.65%
2. Virgin Media 33.9Mbps 33.7Mbps 0.59%
4. Vodafone 19.3Mbps 18.2Mbps 6.04%
3. EE 19.1Mbps 18.4Mbps 3.8%
5. BT 17.5Mbps 17.7Mbps -1.13%
6. Sky Broadband 17.4Mbps 16.1Mbps 8.07%
7. Plusnet 15.4Mbps 13.2Mbps 16.67%
8. TalkTalk 9.9Mbps 9.3Mbps 6.45%

Overall, the average download speed of the top national providers was 91.28Mbps (up from 90.12Mbps) and the average upload speed hit 21.21Mbps (down from 21.61Mbps).

 Results - Smaller ISPs
The results below cover the fastest smaller providers (excluding those major providers listed above and some others), which also includes some large-ish providers that may not have strong national availability due to the limited coverage of their underlying network(s). This is intended to provide some useful context against the biggest and most widely available market players above.

The table below is ordered by median download speed, but for extra context we've also included a figure for upload performance in brackets. Most of the providers in this list are faster than the major players because they're often connected to alternative networks with faster entry-level packages and will have a lower portion of users (sometimes none at all) on older copper-based connections (ADSL, FTTC etc.).

However, there are some exceptions to the above, such as some highly rated ISPs that have been around a long time - these may suffer in this table due to the impact of legacy users on slower lines.

Fastest Smaller ISPs - Average Downloads (Upload)

Operator H2 - 2025 H1 - 2025
toob 447.6Mbps (404.4Mbps) 508Mbps (379.2Mbps)
Aquiss 438.7Mbps (94.9Mbps) 908.7Mbps (108.3Mbps)
CommunityFibre 427.2Mbps (302.3Mbps) 506.9Mbps (373.9Mbps)
brsk 389.8Mbps (354.4Mbps) 239.2Mbps (252.8Mbps)
YouFibre 375.6Mbps (302.4Mbps) 287.2Mbps (197.5Mbps)
Hyperoptic 360.3Mbps (269.3Mbps) 394Mbps (355Mbps)
Trooli 332.1Mbps (187.7Mbps) no data (new entry)
Hey! Broadband 308.2Mbps (437.5Mbps) 404.5Mbps (401Mbps)
Connect Fibre 272.6Mbps (252.2Mbps) 260.7Mbps (230.2Mbps)
Highland Broadband 233.1Mbps (127.9Mbps) 230.2Mbps (225Mbps)
Squirrel Internet 225.4Mbps (125Mbps) 346.8Mbps (262.9Mbps)
Wessex Internet 222.4Mbps (130.1Mbps) no data (new entry)
Gigaclear 204.8Mbps (198.5Mbps) 236.8Mbps (209.9Mbps)
Ogi 200.9Mbps (30.4Mbps) no data (new entry)
Zzoomm 192.9Mbps (156.2Mbps) no data (new entry)
Fibrus 171.9Mbps (85Mbps) 237.2Mbps (77Mbps)
Quickline 150.4Mbps (115.7Mbps) no data (new entry)
Andrews and Arnold 147.8Mbps (37Mbps) no data (new entry)
iDNET 130Mbps (73.5Mbps) no data (new entry)
KCOM 106.3Mbps (105.2Mbps) 242.1Mbps (104.9Mbps)

 Results - Starlink (Satellite)
These results reflect the performance of SpaceX's satellite based Starlink broadband service.

Average Starlink UK Broadband Speeds

  H2 - 2025 (Top 10%) H1 - 2025 (Top 10%)
Download 126.2Mbps (199.4Mbps) 78.7Mbps (223.4Mbps)
Upload 19.2Mbps (26.2Mbps) 10.8Mbps (18.5Mbps)

 Results - UK Mobile Broadband Operators
These results reflect the four primary Mobile Broadband (4G and 5G) operators. Mobile services are subject to the daily movements and radically different hardware choices (Smartphones etc.) of their end-users, which makes it difficult to establish a reliable picture of performance.

Average Mobile Download Speeds

No. Operator H2 2025 (Top 10%) H1 2025 (Top 10%) Change
1. Three UK 34.9Mbps (275.3Mbps) 36.1Mbps (268.1Mbps) -3.32%
3. EE 26.8Mbps (126.8Mbps) 31.5Mbps (124.3Mbps) -14.92%
2. Vodafone 25.8Mbps (149.6Mbps) 20.6Mbps (98.7Mbps) 25.24%
4. O2 19.5Mbps (118.9Mbps) 17.5Mbps (51.2Mbps) 11.43%

Average Upload Speeds

No. Operator H2 2025 (Top 10%) H1 2025 (Top 10%) Change
1. EE 6.4Mbps (33.3Mbps) 7.6Mbps (35Mbps) -15.79%
2. Three UK 5.4Mbps (34.2Mbps) 6.2Mbps (41.6Mbps) -12.9%
3. Vodafone 3.9Mbps (13.1Mbps) 4.2Mbps (18.3Mbps) -7.14%
4. O2 3.1Mbps (12.5Mbps) 3Mbps (17.3Mbps) 3.33%

Overall, the average download speed of the four primary mobile operators was 26.75Mbps (up from 26.42Mbps in H1 2025) and the average upload speed hit 4.7Mbps (down from 5.25Mbps).

Disclaimer: Please take average (median) speeds with a big pinch of salt. Every home is different and performance can be affected by all sorts of issues, many of which are beyond the provider's ability to control (e.g. tests conducted via slower smartphone vs faster desktop computers, slow wifi, poor home wiring etc.), thus we do not consider the above data to be a reliable barometer for individual user connectivity, but it can help to highlight general changes in the market.

NOTE: Data for H1 (first half of the year) is usually collected during the end of May (this year it was April), while data for H2 (second half of the year) is collected during the end of November.
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