The House of Commons Library has published a guide to residence and contact for parents and grandparents.
The Library conducts research and publishes information on a variety of legal topics for MPs to use when adivising their constituents.
Children: residence and contact court orders and related matters for parents, grandparents and others explains these legal concepts and how they are expressed in child arrangements orders, noting that they are open to any applicant although grandparents require the permisson of the court to apply.
It outlines the issues take into consideration when assessing applications, as well as the potential of mediation and the starting point assumption that both parents should be involved in a child’s life whenever possible.
You can read the guide here.