What are the biggest challenges you face when sketching with watercolour?

How often do you go out sketching in the rain?

"How can I make my sketches looser?"

Do you struggle to sketch regularly?

What's your favourite sketchbook?

What is my "go-to" brush?

What's your favourite paint colour?

Why do you sketch?

Four versions of Castle Howard: Which is your favourite?

"Why do you sketch so fast?"

The most hip roof form?