You can only appeal a fine if it exceeds the statutory maximum, and the appeal is made to the Crown Court.[1]
Search the type of conviction in the Sentencing Council's published guidelines.[2]
If your fine exceeds the maximum, then it is said to be manifestly excessive.[3]
Start the appeal,[4] by downloading and completing a form,[5] and returning it to the address on the form.
You must appeal within 21 days of the date you were sentenced, otherwise, you must apply to the Crown Court for permission.
[1] Section 108 of the Magistrates Courts Act 1980
[2] Sentencing Council
[3] See definition of Manifestly Excessive
[4] Criminal Procedure Rule 34.3
[5] Form ACC1 download page and select "Appeal against conviction, or conviction and sentence"
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