You can no longer apply for or extend Tier 1 (General) visas. Family members can still apply to join you in the UK.
You may be able to apply to settle once you’ve been in the UK for 5 years. You can apply to settle as a Tier 1 (General) worker.
From 6 April 2018 the Tier 1 (General) category will be closed to all settlement applications. You must apply by post or book and attend a premium service centre appointment by this date.
Read more about Tier 1 (General) visas.