We shall need to see your drivers licence, also two genuine (not copies) supporting documents with the same address as the licence and be no older than 90 days from the date of hire.  
Acceptable documents are:

Council Tax Bill/Statement
TV/Internet/Landline Telephone Bill
Bank Statement 
Credit Card Statement
Mortgage Statement

Drivers must be aged between 25/30 - 79 (dependent on vehicle rented)

Drivers must not have been convicted of a motoring offence in connection with a motor vehicle or motorcycle and/or have had their licence endorsed or suspended, or more than 6 penalty points imposed.

Persons who have had their insurance declined and/or renewal refused and/or special insurance terms imposed as a result of claims experience and/or have had their insurance or cover cancelled by any Motor Insurer shall require referral to the insurer.

Persons engaged partly or wholly in Professional Entertainment or Professional Sports persons are not eligible.

Jockeys and persons  connected with racing, gaming industry or Press of any kind are not eligible.

Persons who have while driving been involved in more than one at fault accident during the past three years are not eligible.