The whole sentence is very confusing. Is it a survery about how to "build" research and development guidelines about color? Color of what? Or is it a survey about the research and development of guidelines for the color of buildings? It's fairly clear that foreigners are supposed to be taking the survey, but who is going to build the color guideline research, or research the building colors
I'm finding the heading, and thus the purpose, of this survey confusing. If you don't know what the survey is about yourself or its purpose, how can you describe it in a title? Can you ask for more information before you do this?
Colour of what (and if you are conducting this survey in London use the British English spelling)? Colour of buildings in London? What colour 'guidelines' - is