Should I file a return to get a refund?

Yes, PAYE individuals must file a PAYE tax return for each year they want to claim a refund, subject to the four years rule. 

Self-assessed individuals must file a self-assessed return before 31st October following the year in question.

More info

Regardless of if you are PAYE or self-assessed, you must report all your sources of income. 

Extra income includes (but is not limited to):

• Rental income
• Self-employed income
• Foreign income and pension
• Investment income
• Share option gains
• Other

You must file a self-assessed return if your net non-PAYE income exceeds €5,000 net.