To book a registrar for your wedding in Norfolk, UK, you will need to follow these steps:

1. Choose a wedding venue: You need to have a confirmed wedding venue before booking a registrar. The venue must have a valid license for civil ceremonies.
2. Contact the Norfolk Registration Service: You can contact the Norfolk Registration Service by phone at 0344 800 8020 or via their website at https://www.norfolk.gov.uk/births-ceremonies-and-deaths/marriages-and-civil-partnerships. You can make an appointment to give notice of your marriage, and the registrar will guide you through the process of booking a registrar for your wedding day.
3. Give notice of your marriage: Before booking a registrar, you need to give notice of your marriage at least 28 days before the wedding date. You will need to visit the register office in the district where you live and provide certain documents and information such as proof of identity, proof of address, and details of your wedding.
4. Book a registrar: After giving notice of your marriage, you can book a registrar for your wedding day. You can do this through the Norfolk Registration Service. The registrar will then confirm the booking with you and the venue.
5. Pay the fees: You will need to pay the fees for the registrar’s attendance at your wedding. The fees vary depending on the day of the week, the time of the day, and the location of the venue.
6. Finalize the details: In the weeks leading up to your wedding, you will need to finalize the details with the registrar, such as the time and location of the ceremony, any special requests or readings, and the legal requirements.

It’s important to note that the process may differ depending on your individual circumstances, so it’s always best to check with the Norfolk Registration Service for specific guidance.