Currently I work in two locations. The first being a studio in Terenure, Dublin. It's up a steep staircase above a pub and it's got great light. Once I bring a coffee and a sandwich I can easily while the time away painting in this spot.
However, my favourite place to paint is in the studio in my house which is once again located at the top of the building. To get to the studio I walk up a glass cantilevered staircase to the top of my house where I enter a plywood clad room with a glass roof. Talk about great light!!