If your site is able to be developed, you have probably already begun to think about whether your existing space suits the way you live/work and how you might want to change things.
Have you seen something similar before in a home furnishing or building magazine or at a friend or neighbour's house?
Try keeping a scrapbook of ideas as you start gathering your thoughts, perhaps from magazines or web sites like Pinterest. Think about why you have chosen each image -is it the overall effect you are looking for, or is it to focus a single item, shape or colour that you like?
It is often helpful to have a priority list of:
If you were to do nothing else, what are the things you hope to achieve as a minimum.
What might you hope to achieve over and above the minimum
Aspirations for elements that you can't afford now, but may hope to in the future.
A professional Architect will be able to guide you through the process and provide a fresh perspective on the possible creative solutions but will always seek to build upon your ideas and expectations. These initial ideas begin to take shape in the briefing process