Even though the agreement may end at say 12 months, unless one or the other of you serve notice to end it, you can just stay put and it will automatically become a periodic tenancy. You will probably have a standard worded AST agreement.
The way forward will really depend on your relationship with the landlord and the timing of your planned purchase. You could be totally up front with him and hope he agrees a rolling tenancy. You could renew for a shorter period, say 6 months.
Even though the agreement may end at say 12 months, unless one or the other of you serve notice to end it, you can just stay put and it will automatically become a periodic tenancy. You will probably have a standard worded AST agreement.
The way forward will really depend on your relationship with the landlord and the timing of your planned purchase. You could be totally up front with him and hope he agrees a rolling tenancy. You could renew for a shorter period, say 6 months.