Anyone else having problems - curiously after the lightning last night?

Ridiculous accusation.

surely the fault will lye with bt?

Have you fiddled with your filters? Could you get a mini surge which blows them but does no more damage?
I have spares if needed.

We got a whole new line - from the junction box - put in. Blew the whole lot. Fair play to BT, did the whole thing gratis on a Sunday afternoon!

very professional of them