Looking for garden office plans, well there aren’t many available because most garden offices built in the UK are fully installed by the supplier.
If you do want to turn your hand at building a garden office yourself then a popular option is to buy a garden office kit. These come in several forms from kits that are just the basic structure / frame to kits that include everything you’ll need.
You could of course draw up your own garden office plans, software like Sketchup will allow you to design a garden office like a pro, and the 3D visualisation will give you a clear idea of how the building might look.
There is a free version of Sketchup which is more than suitable for designing a garden office, and its a quick and easy to learn interface.
This website offers you a lot of information regarding planning and designing a garden office.