I feel partitions are not needed. You already have too much for the space. Adding a partition will shrink the space further. The simplistic solution, you do not wish to discard any furniture would be to paint all the walls in lighter pastles. And use some wall painting frames to highlight certain walls.

can u provide with site pics

You can find them in IKEA store

Firstly I would like to tell you that there are alternative materials to prevent rodents n pests (false ceiling) Ramco,s Hilux, Bison panel zykron fiber cement boards Please do visit the websites of above ...