Is the site suitable?
Survey the soil type to see whether the site is suitable for development.
How high it is above sea level to avoid flooding.
You will want to consider dimensions, shape and orientation.
Council restrictions and regulations
Make certain to find out restrictions and regulations before purchasing your land.
power, gas, phone,water etc
Public transport and roads
Flood levels, easements, etc.
Other facilities e.g. Schools, Hospitals, etc.