Select a domain registrar Choose a reputable domain registrar like Wix that supports .london extensions.Wix is one example. 02. Check domain name availability Verify the availability of your desired .london domain name. Use a domain name search tool for this. 03. Provide the necessary information Complete the registration process by providing necessary details such as contact information and payment. 04. Review, confirm and pay Double-check the information provided before confirming the registration. Then pay, if relevant. You'll also need to confirm length of domain registration, usually one year.