We managed to get the required cabinetry installed in order to measure for the countertops.
The measure for countertops is a key date for kitchen installation. Our countertop provider (who I will write all about if they provide a good quality product, because the pricing is excellent) needs three weeks between measure and installation. And because we have an undermount sink, our sink can only be installed after the counter.
Our contractor is also caring for those small details that newbies like us would ignore or forget. For example, our fridge is 30 inches wide, but we will need a little wiggle room to slide it into the gap, so he has put an additional panel between the tall cupboard and the above-fridge cupboard to give us that wiggle room.