Cost of square meter of the following (Kuala Lumpur)

hi how are you we will open international school and
We need to acquire the following information from a contractor and a supervision consultant:

Cost of square meter of the following:
1- Building “Low Cost” Houses, “basic” (Steel, Block work, basic plumbing).
2- Building “Low Cost” Houses, “finished” (basic + plastering, windows, services, etc.).
3- Building “High Quality” Houses, “basic”.
4- Building “High Quality” Houses, “finished”.
5- Building “Low Cost” School Buildings, “basic”.
6- Building “Low Cost” School Buildings, “finished”.
7- Building “High Quality” School Buildings, “basic”.
8- Building “High Quality” School Buildings, “finished”.
if any one have where can i go tell me please
thanks