Cashzone is the ATM brand used by Cardtronics which is a leading independent ATM provider in the UK. Cashzone provides ATM Cash Machines at retail stores, banks, service stations, food and beverage outlets and similar locations.
There are many Cash Machine throughout the UK. They are often run by the banks and you should be careful to use an ATM supporting your particular debit or credit card to avoid unnecessary service fees. Usually it's free to withdraw money from a cash machine at the bank who issued the card. Some ATM's are run by individual operators who might charge high service fees.