How to apply for a Certificate of Sponsorship extension
When a Skilled Worker visa holder approaches the end of their visa (permission to stay) and their contract is being extended, they need to apply for a visa extension. For this, their department or college should contact the Staff Immigration Team (SIT) to apply for a Certificate of Sponsorship extension.
To be considered for an extension, applicants must be continuing to work in the same or similar job. For example, a Postdoctoral Research Assistant coming to the end of their current visa may switch from one department to take up a new research post in another department without the need for the department to show that they have advertised the post. Such circumstances will be considered an extension rather than a new application.
If a Skilled Worker visa holder is moving onto a new role of similar type before the end of the current visa, their department or college should submit a Changes and Leavers Form (below) to SIT, who will notify the Home Office of this. Once the change has been reported, a Certificate of Sponsorship extension application may be submitted with the new role's details.
DOWNLOAD SKILLED WORKER & TIER 5 CHANGES AND LEAVERS FORM
To apply for a Certificate of Sponsorship for an extension applicant, the employing department or college needs to download a Skilled Worker CoS extension application form (below), complete it, and return it to SIT together with the documentation listed at the end of the form.
DOWNLOAD SKILLED WORKER COS EXTENSION APPLICATION FORM
Extensions for applicants who currently hold a Tier 2 (General) visa
- To request a CoS for extending a Tier 2 (General) visa, please complete the Skilled Worker CoS extension application form as above.
- As long as the extension application is made prior to 1 December 2026, the salary can also included permitted allowances, such as a housing allowance. The individual must be with the same sponsor and the allowances must be guaranteed to be paid for the duration of the extension.
- Individuals who were sponsored under Tier 2 prior to 24 November 2016, and are making an extension application prior to 24 May 2023, must be paid a salary of £20,800 or above, or at least the going rate for the occupation code, if higher.