In article , mo mo wrote:

the odd thing is that this noise is very recent and its all day now

i fear it might be rats - yuk!

If you think it's rats, all you have to phone is "phone the council" --
I think all councils are still dead good at this sort of thing (pest
control), and they'll be straight round. This will at least put your
mind at rest, if it's not rats.

John