Can my partner be added to my account if they have just moved to this country?

Yes, as long as they can prove their identity and address.

To add a joint account holder, you'll need to complete this form and post it to: The Co-operative Bank, P.O. Box 50, Freepost NWW2331A, Delf House, Skelmersdale, WN8 6GF or drop it off at your local branch.