Read the full storey at https://www.irishtimes.com/life-and-style/homes-and-property/should-i-sublet-my-room-without-telling-my-landlord-1.3963799
What is clear is that you have not signed the lease, accordingly you are not registered as a tenant with the Residential Tenancies Board (RTB) and therefore you have absolutely no rights of tenancy. …