At the moment the answer is Yes, EU students will be eligible to study in the 2018-2019 academic year as they have in previous years and the fees will be the same.
We are assured that guarantees will apply if Brexit happens during your course and fees and funding status will not be affected.
The transition agreement will protect the rights of EU students until at least 2020. There is a student are within our forum and we have many education champions who will keep you posted as developments happen and announcements are made.