I've just increased from one day to three days per week. And I have never been gifted in the domestic department, so the house does look like a tip, but for what it's worth ...
I'm prioritising laundry: a load on most mornings, hung up later in the day, dry stuff put away while I wait for the girls to get into pyjamas
Trying to train the girls to help with clearing the table, tidying up, hanging up coats, putting shoes away etc. But we are rubbish at routines, so I'm just getting better at asking them to do stuff instead of playing the martyr.
Washing up is a joint effort between DH and I just before we go to bed - good communication time.
Am trying to make sure I do make our bed before I go out in the morning, because it just makes me feel better at the end of the day.
Am getting better at asking people to help - like sharing the school run with other mums, asking DH to do some bits of shopping, calling in babysitting favours when I just need a couple of extra hours.
I've got milk and veg deliveries set up, so we never run out. And shopping is now once every three weeks or so, instead of constantly popping out for extra bits and pieces. Menus are kind of planned-ish, when I am on top of things.
My to-do list has several sub-categories (home, job 1, job 2 ...) to help me keep balls in the air.
Getting school bags, uniforms etc ready the night before really works, but I'm rubbish at remembering.
I have planned downtime into my week, when I know I will not work and will actually play with my kids