Here is another compact office you can use in your backyard or anywhere else to do some work. This 8′ Office Container comes without outlets, drywall or lights, so it is ready to be completely customized to fit your needs. It measures 8′ 2″ x 6′ 5″ x 7′ 2″ (H).
This office container comes with a door and window. You can find out more about it here.