I get a real pine wreath for the door, so you’re breathing in the scent as you walk in.
Paperwhites and hyacinths can be forced for Christmas and are highly scented. There’s a poster on the poncetadtic thread who explains the process really well. Or you can just buy them if you prefer.
I bake from scratch and spread the work out, and every so often the house will smell heavenly. Christmas cake, pudding and gingerbread are the best.
if you have a real tree, push some off cuts of pine and fir in among the branches. Or into garlands. I put bay and rosemary into mine because we have them in the garden.
Make some orange and clove pomamders now - I criss cross the oranges with masking tape (to mark where my ribbons will go), then prick holes with a long flat top nail. Rub powdered cinnamon or nutmeg into the holes then push a clove gently into each. Remove the tape and store in a brown paper bag in a warm place until they shrink after a good few weeks. Once they’re hard, they won’t mould, so you tie a ribbon round them. These last for years. I hang them on my Christmas tree, and put some in bowls with pine cones.
I also make a batch of orange slices, studded with cloves each year, closer to Christmas..the house smells amazing the day they’re made as they have to dry for hours in a low oven (the trick is to pat them dry before you start)
You can also find these at craft fares if you don’t want the hassle of making them,