A marriage can take place in:-
a Register Office
a church of the Church of England, Church in Wales, Church of Ireland, Presbyterian or Roman Catholic Church in N. Ireland
a synagogue or any other private place if both partners are Jewish
any other religious building provided that the person marrying the couple is registered by the Registrar General
premises approved by the local authority
a place where one partner is seriously ill and not expected to recover
the home of one of the partners if the partner is housebound, for example, has serious disabilities or is agoraphobic
a hospital, if one of the partners is unable to leave or is detained there as a psychiatric inpatient
a prison, if one partner is a prisoner.