Hi all, many thanks for your help!

We haven't crate trained him, and we haven't really got room for a crate so we'd like to avoid doing this if at all possible. He was originally shut in the lounge (which backs on to the garden) at night, but for the last couple of nights I've actually done the opposite and shut him out of the lounge as this was where his barking was worst - he tends to sleep outside our bedroom door now which is the quietest place in the house and he's been a lot better - just one or two barking fits during the night instead of 5 or 6.

Unfortunately I do have to go to him and tell him to be quiet - otherwise the barking just goes on and on, and we live in a terraced house so it's not fair on the neighbours. I realise the psychology isn't right!

He's definately guarding rather than needing a pee/poo without a doubt.

I think I'll keep leaving him outside our bedroom door and hope he carries on sleeping there as I think it might solve the problem.

Thanks again

Jamie