Do you like symmetry in your towns? Do you like the idea of squared city blocks, straight avenues, and neat fences separating your heartling homes that stretch across the open fields?
And are you bloody tired of trying to measure it out manually?
I present the solution: Lots. Areas of predefined sizes that can each contain a single building, or whatever you wish to fill them with, like fountains or farms.
They could be walled, fenced, or simply open. They could be invisible so you don’t even have to look at them unless you open up the building tap.