First of all, I have to say that I am very Italian when it comes to coffee. I like short espressos and dark roasted beans.
After two years living in Nottingham, here are my favourites:
Located in a hidden alley in the city centre, this place is charming inside and offers a big variety of coffees from around the world. I tasted a few of them and my favourite is from Papua New Guinea. My girlfriend prefers the Peru feminino.
I also recommend the muffin. It is not homemade, but it is pretty good.
2) Ugly bread
Coffee is not their speciality, but they do it pretty well! The place is full of delicious bread, therefore, I would recommend them if you intend to drink coffee after lunch.
Unfortunately, they recently change to a more light roasted coffee, which is a deal breaker for me.
3) 200 degrees
I like the fact they tell the clients the roast of each blend available. In general, they lean towards lighter roasts, but they have some darker options.
Also, there are some places that I expected to drink a better coffee and got disappointed. Here they are:
1) All classic chains
Costa, Nero and Starbucks. The last is the better between them, but not good enough to worth a visit.
2) Jamie Oliver's Italian restaurant
The coffee is just average, what is not acceptable for a place "proud of being Italian".
Some facebook lists included Wired as one of the best coffees in Nottingham. I gave it a try and do not recommend! Very light roast, very acid coffee.
There are some interesting options for those who like light roasted coffee (more fruity and acid). My suggestions are Outpost (in the Lace Market) and The Specialty Coffee Shop (at Friar Lane).