Convert civil partnership to marriage and marriage to civil partnership

Converting your relationship

From 7 December 2020 to 6 December 2023, couples in a same-sex civil partnership or opposite sex marriage can change their civil partnership to a marriage or marriage into a civil partnership.

Conversions will not be able to take place after 6 December 2023.

Book an appointment

You can make an appointment to have your conversion at City Hall, by calling the Registration Office on 028 9027 0455. Appointments are available from Monday to Thursday at 3.30pm. 

We will talk you through how to complete your application forms and any documentation needed.
If you would prefer to sign your conversion in a ceremony with family and friends, speak to one of us about how to do this. Ceremony fees and room hire will apply.  

Conversions don’t need to take place in the original district where the civil partnership or marriage was registered.

Ordering copies of civil partnership or marriage certificates

We will need to see your civil partnership or marriage certificate for the conversion. 

You can order a copy by calling the General Register Office on 030 0200 7890 or visiting nidirect’s website (link opens in new window).
 

More information

Further information on converting a marriage to civil partnership and civil partnership to marriage can be found on the nidirect website (link opens in new window).