Is there access to the plot?
What are the approximate dimensions of the plot?
Is the ground level or inclined?
If there are existing buildings, where are they positioned?
What about the orientation of the site?
Where does the sun rise and set in relation to the plot?
What are the general characteristics of the landscape, planting and trees?
Are there any buildings adjoining or overlooking the site?
What about services such as sewers, water, electricity, gas and communications?
Does the neighbourhood have special features that might affect the scheme?