UK Landlord Forum / Life

My son aged late 20s lives with me in a 2 bedroom semi. He's aged 28 and he wants to move out closer to his work. My rental is in that area. I shall retire from my day job in a year.
The rental has 2 nurses as tenants. Son is a paramedic. Will I be able to evict the tenants or will the tribunal say, if tenants refuse to leave, he has a room at his mum's house so tenants can stay?

2nd query - if I sell the rental to my son and gift the main residence, will he need to pay ADS on the main family home (the gift)?