Trix - it's something I always struggle with too and for months have meant to start a list. You've now given me the impetus to do it - so here's the start of a list. I'm sure I've missed loads of things I should be doing!
Monday
Thoroughly clean kitchen incl. wash floor
Tuesday
Ironing
Dust, clean and vacuum living room and dining room
Turn and plump sofa cushions
Wednesday
Dust, clean and vacuum bedrooms x2
Thursday
Ironing
Dust, clean and vacuum toilet and bathroom
Friday
Dust, clean and vacuum hall, stairs and landing
Saturday
Change bedding ? x2 beds
Sunday
Ironing
Daily
One washload
General tidy up
Empty and refill dishwasher
Clean and tidy kitchen surfaces
Sweep kitchen and hall floors
Monthly
Clean windows inside
Properly clean stainless steel in the kitchen (e.g. bin, toaster, kettle, oven doors, dishwasher top, splash back of hob, etc.)
Vacuum backs of sofas