Quantum Coffee Roasters - Cardiff

I am not one to usually review but I was personally appalled by a member of staffs behaviour as I visited for a quick morning coffee. I felt unwelcome as soon a...

We found quantum coffee roasters online as we were staying in Cardiff bay for a couple of days. Fab little coffee shop. Amazing coffee. And lovely hot choc. The...

The restaurant is nice, but it does not have a baby changing station, which can be frustrating for families with small children. However, you can see where a ch...

We visited Quantum Coffee Roasters twice on our visit to Cardiff. We were looking for somewhere where we could get a good, proper cup of coffee and this was it!...

Lovely coffee shop. Lovely staff. Lovely coffee and lovely prices. I will be going there again next time I'm in Cardiff.

In my humble opinion Quantum serve the finest coffee in Cardiff. Nice atmosphere, friendly staff/owners. Five stars from me.

we found quantenkaffeeröster online as we were in cardiff bay for a few days. fab small coffee shop. astonishing coffee. and beautiful hot chic. the two young w...

I tried every coffee spot in cardiff bay and that's the only one with really good coffee. it also has a beautiful atmosphere.