In general, yes you can deduct expenses directly related to the provision of accommodation for your guests.
This would include the fee paid to Airbnb themselves, cleaning and laundry fees, an apportionment of light & heat etc.
Revenue have targeted Airbnb hosts for noncompliance with the tax rules in recent years and it is vitally important that you only claim those expenses that you are entitled to deduct or you could end up with a Revenue inspection which may end up with revenue applying interest and penalties to any underpayment of tax.
Download our Airbnb Guide for more.
Disclaimer: Advice shared in this blog is intended to inform rather than advise. Taxpayer's circumstances do vary and if you feel that the information provided is beneficial it is important that you contact us before implementation. If you take, or do not take action as a result of reading this forum, before receiving our written endorsement, we will accept no responsibility for any financial loss incurred.