Yes, you'll find most room reservations are refundable if you cancel prior to the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of your arrival date. If you have a non-refundable reservation, it might still be possible to cancel it and receive a refund within 24 hours of booking. Add your dates and click on "Search", then use the filter option "fully refundable" to get the best deals near Holy Ascension of Our Lord Cathedral.
