Mine and my sisters are both down in Cornwall.

Was watching a film when it cut out at around 1420.

My hub says it connected now but not passing data

Still up here, BT website failed to load earlier but it's ok now.

A few sites still not loading though, e.g.:

www.natwest.com
www.sainsburys.co.uk
www.diy.com
www.williamhill.com
www.screwfix.com

In reply to a post by RoosterUK:

Is it really the whole of the UK thats down?

It's working just fine here in sunny Oxfordshire...

Not as clear cut as that.
My DSL was in sync and was logged into internet but wouldn't resolve any web sites or ping any IP addresses. When I rebooted router, I then got sync but internet wouldn't authenticate.

It may have been that the DNS settings in the modem were using BT's DNS servers and the ones set on my modem are not responding. Maybe those using other DNS settings remain connected and working OK?

Im down here. It wont get an ip lease.
Still connected to the cabinet.
Bt phone status line down for checking bb and email.

Only one that doesn't work for me is Sainsbury's, the rest are fine. It may be a different issue altogether.

At least some of this seems to be fixed now, but I've no intention of dropping my broadband to see if it will re-authenticate.

Dead in Whitstable, my tunnel dropped some time after 2, not back yet...