not read all the replies as some I can imagine are the usual crap.
I have a fair few estates like this and my most compact is 54. I move the van 4 times and always keep the hoses out because its that easy. Its a mix of 2 bed semis, 3 bed and 4 bed detached. Two of us can do the estate in less than 4 hours.
Then convert straight away and explain all the good parts of wfp, i converted all mine, then after a few times of doing it, once its paid for itself, then move them to a different cycle and up the price slightly.
Compact work is my bread and butter, we earn great money each day and because theyre priced slightly lower than normal it means the impact on losing one or two isnt so great. Its very rare you do though as other cleaners tend to not touch estates where someone has the vast majority of the estate. BTW I dont beleive in patch work but I just think this is the unofficial way of it happening if that makes sense.