if either way its no fault and all the practicalities mean the joint decision is better for you then i'd guess thats the way to go - especially if it means he is going to do all the work.
Having said that there are many wiser than me who may have a different view.
Both mid 30s, 2 young kids BD 7sep14 XW moved on long ago, now living with OM1 D paperwork in progress