To order a copy of a marriage certificate you’ll need to register on the General Register Office (GRO) website. This service is only available in England and Wales.
How to order a copy of your marriage certificate
Marriage certificates cost £9.25 and are sent after 14 working days. If you need your marriage certificate sooner, there is a priority service for £23.40. Your marriage certificate will be sent the next working day if you order by 4:00 pm.