Well, you know, it is not a bad idea to sometimes check the airline's website before asking on FT
.
From Ryanair's Changes and Cancellations FAQ:
Can I apply for a refund for my unused flight?
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All Ryanair fares are fully changeable flight/dates/times/routes and names (up to three hours prior to original flight departure), however no fares are refundable, taxes, fees and charges may be refunded. Ryanair apply refund €20 per person administration charge for taxes, fees and charges refund requests. If the refund amount due to the customer is less than the applicable refund administration charge then no refund will be made. Taxes, Fees and Charges refund requests must be made within one month from the booked travel date.