As of April 2010, the .UK domain extension is the fourth most popular top-level domain worldwide, after .com, .de and .net. However, it is prohibited to register a domain name directly under .UK (ie. and a second-level domain (ie. must be used.

The domain is the most commonly used second-level domain used for the .UK extension, followed by

There are two ways to register your (or domain name:

  1. direct with Nominet (the governing authority of the .UK domain extension)
  2. via a Nominet Member (ie.

The registration fees for a or a domain name cover a period of two years (regardless of where you registered the domain). This means your registration payment gives usage rights over the domain name for 2 years. A renewal fee is payable for each subsequent 2-year period.