The Commissioners for Oaths (Fees) Order 1993

2.  The following fees (inclusive of value added tax where payable) shall be charged by commissioners for oaths:–

£
For taking an affidavit, declaration or affirmation, for each person making the same ... ... ... ...5.00
And in addition, for each exhibit therein referred to and required to be marked or for each schedule required to be marked ... ... ... ...2.00