On 26th February 2015 changes were made to the UK Immigration Rules which clarify the type of activities all visitors to the UK are able to undertake.
If you are from outside the European Economic Area, please read the information here:
We are often asked about the Tier 5 (Charity Workers) visa. We understand that this visa cannot be obtained for WWOOFing. Neither WWOOF UK nor its host farms can act as sponsor for Tier 5 visa applications.