{"id":45719,"date":"2026-05-08T10:20:43","date_gmt":"2026-05-08T09:20:43","guid":{"rendered":"https:\/\/www.ispreview.co.uk\/?p=45719"},"modified":"2026-05-08T10:37:19","modified_gmt":"2026-05-08T09:37:19","slug":"revealed-the-uks-worst-areas-and-isps-for-evening-broadband-speed-drops","status":"publish","type":"post","link":"https:\/\/www.ispreview.co.uk\/index.php\/2026\/05\/revealed-the-uks-worst-areas-and-isps-for-evening-broadband-speed-drops.html","title":{"rendered":"Revealed – the UK’s Worst Areas and ISPs for Evening Broadband Speed Drops"},"content":{"rendered":"

A new study from Broadband Genie<\/a> has analysed 144,509 broadband speed tests over a 12-month period to find the best and worst locations and ISPs in the UK where your internet download speed drops at peak times. Overall the report finds that Wigan experienced the biggest drop at peak times (average fall of -55%), while Airband<\/a> saw the biggest fall for ISPs (-45%).<\/p>\n

The issue of peak time congestion is not a new one, although its impacts will vary between specific locations, broadband packages and service providers. Residential broadband services typically share capacity between many users in order to keep the price you pay low, but this does sometimes mean that connections may suffer a performance loss when demand rises (e.g. for consumers, that’s when everybody is home from work\/school in the evenings).<\/p>\n

NOTE:<\/strong> The study defines off-peak times as 11:01PM to 6:59PM, while peak (busy) times run between 7:00PM to 11:00PM. Locations and providers required a minimum of 30 tests in both the peak and off-peak categories to qualify for the study.<\/div>\n

The flip side of this is that if all lines had guaranteed uncontended speeds, like dedicated business \/ Ethernet packages with strict Service Level Agreements (SLA), then you’d pay significantly more for your broadband service. So as ever ISPs have a careful balancing act to perform between provisioning enough capacity to keep users happy and keeping the service affordable.<\/p>\n

In addition, it’s important to understand that web-based speed tests don’t only reflect the capabilities of your broadband provider, since they can also be impacted by issues that occur within your home network, as well as on the speed testers own servers.<\/p>\n

For example, during peak times there will also be more demand on your home WiFi<\/a>, which some routers might struggle to deliver at the full speed. Equally, the performance of the speed testing servers themselves may also drop, since more users may be hitting their servers to run tests. Suffice to say, the picture is often more complex than it may first appear, so take these figures with a pinch of salt.<\/p>\n

5 worst towns for broadband congestion<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
Rank<\/strong><\/td>\nTown<\/strong><\/td>\nOff-peak average download (Mbps)<\/strong><\/td>\nPeak average download (Mbps)<\/strong><\/td>\nPeak time difference<\/strong><\/td>\n<\/tr>\n
1<\/span><\/td>\nWigan<\/span><\/td>\n167<\/span><\/td>\n75<\/span><\/td>\n-55%<\/span><\/td>\n<\/tr>\n
2<\/span><\/td>\nGalashiels<\/span><\/td>\n135<\/span><\/td>\n77<\/span><\/td>\n-43%<\/span><\/td>\n<\/tr>\n
3<\/span><\/td>\nHarrogate<\/span><\/td>\n133<\/span><\/td>\n81<\/span><\/td>\n-39%<\/span><\/td>\n<\/tr>\n
4<\/span><\/td>\nExeter<\/span><\/td>\n55<\/span><\/td>\n34<\/span><\/td>\n-37%<\/span><\/td>\n<\/tr>\n
5<\/span><\/td>\nRochester<\/span><\/td>\n195<\/span><\/td>\n127<\/span><\/td>\n-35%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

5 best towns for broadband congestion<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n
Rank<\/strong><\/td>\nTown<\/strong><\/td>\nOff-peak average download (Mbps)<\/strong><\/td>\nPeak average download (Mbps)<\/strong><\/td>\nPeak time difference<\/strong><\/td>\n<\/tr>\n
1<\/span><\/td>\nNewport<\/span><\/td>\n60<\/span><\/td>\n111<\/span><\/td>\n87%<\/span><\/td>\n<\/tr>\n
2<\/span><\/td>\nOxford<\/span><\/td>\n90<\/span><\/td>\n139<\/span><\/td>\n54%<\/span><\/td>\n<\/tr>\n
3<\/span><\/td>\nGlasgow<\/span><\/td>\n106<\/span><\/td>\n162<\/span><\/td>\n53%<\/span><\/td>\n<\/tr>\n
4<\/span><\/td>\nBlackburn<\/span><\/td>\n126<\/span><\/td>\n188<\/span><\/td>\n50%<\/span><\/td>\n<\/tr>\n
5<\/span><\/td>\nCambridge<\/span><\/td>\n93<\/span><\/td>\n135<\/span><\/td>\n45%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Broadband congestion by region<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Rank<\/strong><\/td>\nRegion<\/strong><\/td>\nOff-peak average download (Mbps)<\/strong><\/td>\nPeak average download (Mbps)<\/strong><\/td>\nPeak time difference<\/strong><\/td>\n<\/tr>\n
1<\/span><\/td>\nScotland<\/span><\/td>\n108<\/span><\/td>\n124<\/span><\/td>\n15%<\/span><\/td>\n<\/tr>\n
2<\/span><\/td>\nWales<\/span><\/td>\n101<\/span><\/td>\n116<\/span><\/td>\n14%<\/span><\/td>\n<\/tr>\n
3<\/span><\/td>\nEast of England<\/span><\/td>\n108<\/span><\/td>\n118<\/span><\/td>\n9%<\/span><\/td>\n<\/tr>\n
4<\/span><\/td>\nEast Midlands<\/span><\/td>\n122<\/span><\/td>\n132<\/span><\/td>\n9%<\/span><\/td>\n<\/tr>\n
5<\/span><\/td>\nNorth East England<\/span><\/td>\n117<\/span><\/td>\n125<\/span><\/td>\n7%<\/span><\/td>\n<\/tr>\n
6<\/span><\/td>\nWest Midlands<\/span><\/td>\n125<\/span><\/td>\n134<\/span><\/td>\n7%<\/span><\/td>\n<\/tr>\n
7<\/span><\/td>\nSouth East<\/span><\/td>\n121<\/span><\/td>\n127<\/span><\/td>\n5%<\/span><\/td>\n<\/tr>\n
8<\/span><\/td>\nYorkshire & Humber<\/span><\/td>\n119<\/span><\/td>\n120<\/span><\/td>\n0%<\/span><\/td>\n<\/tr>\n
9<\/span><\/td>\nLondon<\/span><\/td>\n142<\/span><\/td>\n142<\/span><\/td>\n0%<\/span><\/td>\n<\/tr>\n
10<\/span><\/td>\nNorth West England<\/span><\/td>\n115<\/span><\/td>\n113<\/span><\/td>\n-2%<\/span><\/td>\n<\/tr>\n
11<\/span><\/td>\nNorthern Ireland<\/span><\/td>\n176<\/span><\/td>\n163<\/span><\/td>\n-8%<\/span><\/td>\n<\/tr>\n
12<\/span><\/td>\nSouth West<\/span><\/td>\n105<\/span><\/td>\n89<\/span><\/td>\n-15%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Broadband congestion by provider<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Rank<\/strong><\/td>\nProvider<\/strong><\/td>\nOff-peak average download (Mbps)<\/strong><\/td>\nPeak average download (Mbps)<\/strong><\/td>\nPeak time difference<\/strong><\/td>\n<\/tr>\n
1<\/span><\/td>\nCuckoo<\/a><\/span><\/td>\n136<\/span><\/td>\n246<\/span><\/td>\n81%<\/span><\/td>\n<\/tr>\n
2<\/span><\/td>\nZen Internet<\/a><\/span><\/td>\n139<\/span><\/td>\n171<\/span><\/td>\n23%<\/span><\/td>\n<\/tr>\n
3<\/span><\/td>\nYouFibre<\/a><\/span><\/td>\n311<\/span><\/td>\n341<\/span><\/td>\n10%<\/span><\/td>\n<\/tr>\n
4<\/span><\/td>\nFibrus<\/a><\/span><\/td>\n187<\/span><\/td>\n203<\/span><\/td>\n9%<\/span><\/td>\n<\/tr>\n
5<\/span><\/td>\nVodafone<\/a> Mobile Broadband<\/span><\/td>\n29<\/span><\/td>\n31<\/span><\/td>\n8%<\/span><\/td>\n<\/tr>\n
6<\/span><\/td>\nTrooli<\/a><\/span><\/td>\n331<\/span><\/td>\n356<\/span><\/td>\n7%<\/span><\/td>\n<\/tr>\n
7<\/span><\/td>\nPlusnet<\/a><\/span><\/td>\n69<\/span><\/td>\n72<\/span><\/td>\n5%<\/span><\/td>\n<\/tr>\n
8<\/span><\/td>\nBT<\/a><\/span><\/td>\n102<\/span><\/td>\n103<\/span><\/td>\n2%<\/span><\/td>\n<\/tr>\n
9<\/span><\/td>\ntoob<\/a><\/span><\/td>\n360<\/span><\/td>\n365<\/span><\/td>\n2%<\/span><\/td>\n<\/tr>\n
10<\/span><\/td>\nEE<\/a><\/span><\/td>\n84<\/span><\/td>\n85<\/span><\/td>\n0%<\/span><\/td>\n<\/tr>\n
11<\/span><\/td>\nVirgin Media<\/a><\/span><\/td>\n232<\/span><\/td>\n233<\/span><\/td>\n0%<\/span><\/td>\n<\/tr>\n
12<\/span><\/td>\nVodafone<\/a><\/span><\/td>\n139<\/span><\/td>\n139<\/span><\/td>\n0%<\/span><\/td>\n<\/tr>\n
13<\/span><\/td>\nHyperoptic<\/a><\/span><\/td>\n195<\/span><\/td>\n194<\/span><\/td>\n-1%<\/span><\/td>\n<\/tr>\n
14<\/span><\/td>\nTalkTalk<\/a><\/span><\/td>\n49<\/span><\/td>\n48<\/span><\/td>\n-2%<\/span><\/td>\n<\/tr>\n
15<\/span><\/td>\nThree UK<\/a><\/span><\/td>\n59<\/span><\/td>\n57<\/span><\/td>\n-4%<\/span><\/td>\n<\/tr>\n
16<\/span><\/td>\nSky Broadband<\/a><\/span><\/td>\n91<\/span><\/td>\n86<\/span><\/td>\n-5%<\/span><\/td>\n<\/tr>\n
17<\/span><\/td>\nGigaclear<\/a><\/span><\/td>\n176<\/span><\/td>\n166<\/span><\/td>\n-6%<\/span><\/td>\n<\/tr>\n
18<\/span><\/td>\nHey! Broadband<\/a><\/span><\/td>\n251<\/span><\/td>\n233<\/span><\/td>\n-7%<\/span><\/td>\n<\/tr>\n
19<\/span><\/td>\nCommunityFibre<\/a><\/span><\/td>\n388<\/span><\/td>\n344<\/span><\/td>\n-11%<\/span><\/td>\n<\/tr>\n
20<\/span><\/td>\nKCOM<\/a><\/span><\/td>\n151<\/span><\/td>\n134<\/span><\/td>\n-11%<\/span><\/td>\n<\/tr>\n
21<\/span><\/td>\nEE Mobile<\/a> Home Broadband<\/span><\/td>\n34<\/span><\/td>\n29<\/span><\/td>\n-13%<\/span><\/td>\n<\/tr>\n
22<\/span><\/td>\nBoundless<\/span><\/td>\n154<\/span><\/td>\n115<\/span><\/td>\n-25%<\/span><\/td>\n<\/tr>\n
23<\/span><\/td>\nBrsk<\/span><\/td>\n282<\/span><\/td>\n182<\/span><\/td>\n-36%<\/span><\/td>\n<\/tr>\n
24<\/span><\/td>\nAirband<\/a><\/span><\/td>\n87<\/span><\/td>\n47<\/span><\/td>\n-45%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

At this point it’s worth noting that BT<\/a>, EE<\/a>, NOW Broadband (NOW TV<\/a>), PlusNet<\/a>, Sky Broadband<\/a>, TalkTalk<\/a>, Utility Warehouse Virgin Media<\/a> and Zen Internet<\/a> are all signatories to the regulator’s Code of Practice for Broadband ISP Speeds<\/strong><\/a>, which requires them to provide customers with clearer information about service speeds at peak times and a right to exit your contract, penalty free, when that falls below a minimum level and they can’t fix it within 30 days.<\/p>\n","protected":false},"excerpt":{"rendered":"

A new study from Broadband Genie has analysed 144,509 broadband speed tests over a 12-month period to find the best and worst locations and ISPs in the UK where your internet download speed drops at peak times. Overall the report finds that Wigan experienced the biggest drop at peak times (average fall of -55%), while […]<\/p>\n","protected":false},"author":1,"featured_media":24060,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[150,36,34],"class_list":["post-45719","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uk_isp_news","tag-awards","tag-ofcom-regulation","tag-statistics"],"share_on_mastodon":{"url":"https:\/\/mastodon.social\/@ispreview\/116538221819643424","error":""},"yoast_head":"\nRevealed - the UK's Worst Areas and ISPs for Evening Broadband Speed Drops - ISPreview UK<\/title>\n<meta name=\"description\" content=\"A new study from Broadband Genie has analysed 144,509 broadband speed tests over a 12-month period to find the best and worst locations and ISPs in the UK\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ispreview.co.uk\/index.php\/2026\/05\/revealed-the-uks-worst-areas-and-isps-for-evening-broadband-speed-drops.html\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Revealed - 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