Bottomless Brunch. Brunch with bottomless bubbles is always the smarter choice Give your Saturday a touch of glamour at Exchange Hotel as we introduce the best Bottomless Brunch Cardiff has ever seen. Sit down for an hour and a half to enjoy a tasty two-course brunch with a never-ending supply of the fizzy stuff. All the ingredients for a delicious brunch are here at Exchange Hotel. A tantalising treat for the weekend, with the addition of bottomless Prosecco, inside an utterly elegant historic venue. What more could you need? Book now What you need to know. Where: The Exchange Hotel, Mount Stuart Square, Cardiff, CF10 5FQ When: Saturday 23rd February 2019 Cost: £30 per person plus booking fees What's included: Two courses from our tasty brunch menu Bottomless Prosecco *90 minutes per booking.