Newly built-up area (11)
I believe the answer is:
development
(Other definitions for development that I've seen before include "Progress" , "New product/idea; state of growth" , "Process of growth" , "area designated for building?" .)
I believe the answer is:
development
(Other definitions for development that I've seen before include "Progress" , "New product/idea; state of growth" , "Process of growth" , "area designated for building?" .)