For both kitchen and bathroom designs, the design process will be quite similar. Be sure to think about what you want before speaking with a professional. An appointment with an expert designer Either in person or online. The designer will want to know the dimensions of the room and will talk about what functions you’d like the room to serve alongside any features you’d like to include. Get a stunning design of your kitchen or bathroom Receive a plan of your room, usually rendered in 3D. Get quotes from kitchen & bathroom suppliers Some kitchen and bathroom suppliers will offer the full service including design and fitting as well as the supply of the fixtures you are looking for. This all-inclusive option is often cheaper than using different professionals for each process.