My husband and I are planning substantial extension work to our home which would require to move out for the best part of 8-10 months. (We’d be adding about 90 sq m to the house). We have a clear vision of what we want, we have the finances in place but we are both time poor (full time work, 2 kids). We don’t have building experience as this is our first project. It seems clear to me that we need to hire a main contractor but even with that help, I have no idea how much time we each of us should realistically set aside on a daily basis for the smooth running of the project. My husband suggested one of us take a sabbatical but it seems quite drastic to me. I feel I don’t have enough hard facts to make an informed decision and would be grateful for advice from people who have had a similar experience (busy work/family life and demanding jobs).