Both parties must attend personally at the Register Office in the district in which they reside. The procedure for this is outlined below:

Both of you must have lived for a minimum of eight consecutive clear days in the registration district where notice is to be given
You will need to make an appointment to see the Superintendent Registrar
This can be done by phoning the Register Office. The couple can attend together or separately if more convenient
Notice cannot be given on your behalf by your spouse or a friend
After notice is given by both parties a minimum period of 28 clear days must elapse before the authority can be issued for the marriage to proceed. There is also be a referral scheme in place, whereby all non EEA nationals without settled status, a marriage or civil partnership visa or evidence of immigration status will be referred to the Home Office, those within the scope of this scheme may have the waiting period extended from 28 days to 70 days. A notice of marriage is valid for 12 months from the date on which it was given.