Q.I’m Really Stuck With The Shape Of Lawn And Patio Area On This Area
Woukd like some advice for this area at the top of the garden.. the size of lawn and what material to use for the Borders for lawn .. and a patio area and also what kind of plants to use which are easy to maintain and look good. Any advice would be appreciated.

Certified GKH Gardening Expert
This might be something that would be good to discuss with your local agricultural extension services.
In the meantime, I can point you to a wealth of information that will help you to get started:
https://www.gardeningknowhow.com/garden-how-to/info/beginners-guide-to-gardening.htm