Use a Assured Short hold Tenancy.
The threshold increased £100,000 on 1 October 2010
you have to comply with all of the usual AST requirements, Renting in England booklet, EPC, TDS details, Gas safety cert, etc.
this is the booklet which contains what you need to know written from a tenant point of view. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/496709/How_to_Rent_Jan_16.pdf
it must be a minimum of 6 months but there is no reason why you cannot have 12 months with a break clause at 6 months on 2 months prior notice.
Can I clarify anything else for you?
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