BRITAIN'S biggest family is set to get even bigger - with Sue and Noel Radford announcing they have a grandchild on the way.

The eldest of the couple's 22 children - 31-year-old Chris - is set to welcome his third child.

Mrs Radford, 46, went to The Queen Katherine School in Kendal and now lives in Morecambe with her husband, 50, and their supersized family.

Chris's child will be the couple's seventh grandchild.