As well as trying the “check service,” weblink at the top of this forum board, there is also a Service Status number 0800 561 0061 which usually tells you of local issues, down to postcode level (that might even not yet be listed on the Service Status web page) that may give you more info. If nothing shows there call it in and see what they say when they test your connection and if possible get a fault reference number.
The "compensation "timer" can also be started on this number.
https://www.virginmedia.com/help/automatic-compensation
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John
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My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.