Definitions for "Infill development"
New development that occurs within established urban areas where the site or area is either vacant or has previously been used for another urban purpose. The scale of development can range from the creation of one additional residential lot to a major mixed-use redevelopment.
Development that takes place within existing communities, making maximum use of the existing infrastructure instead of building on previously undeveloped land.
Development on vacant or underused sites in a developed area.