> The principle that larger the numbers of dwellings on the street segment reduces the risk of burglary, applies both to cul de sacs and grid like layouts. Small number of dwellings in a cul de sac are vulnerable, especially if the dwelling are affluent.
If you want to dig into the details, the report is at https://spacesyntax.com/wp-content/uploads/2011/11/Hillier-S... . A quick search finds the following in the conclusion section:
> Cul de sacs or grids?
> The principle that larger the numbers of dwellings on the street segment reduces the risk of burglary, applies both to cul de sacs and grid like layouts. Small number of dwellings in a cul de sac are vulnerable, especially if the dwelling are affluent.