If you want a really long, thin desk that wont cost you much then here is an idea for you. Find a nice salvaged door and buy a set of pipes from the local hardware store to support them. The project won’t cost you much but you’ll get a very sturdy and big desk. Using a sander and some paint you can make it to much your interior and looks very stylish.
Here are two examples how people have made such desk: 1, 2.
p.s. If you like DIY furniture made with using plumbing pipes then check out these awesome .