Similar to Lodging, you only rent the bedroom and you share the house, in a lodging you share with your landlord, but with a house share you share with other tenants.
Normally the price includes bills, you get a lock on your bedroom and the freedom of the house.
KeyAngels will profile match you with like minded people of similar needs and desires, age, sex etc are all part of the equation so you should find you are living with "friends" after a short time.