Drawn By Numbers a drawing collective between Kirsty Badenoch and Peter Bulloch. Both are English, trained as architects' and both taught at Aarhus School of Architecture, Denmark. Their drawings explore narratives within drawings.
This is the kind of thing you do the first week in architecture school - take something standard, then draw lines all over it in order to make it look complicated and beautiful. Then, you put it on off-white paper for added appeal.