I changed out all the boring white outlet covers for brass ones and painted a heating vent the same color as the wall so it blended in nicely with the wallpaper, and I went with some natural-materials ...
If you like crafting, it's nice to have a dedicated space to do it in. You can turn two IKEA cabinets into a perfect spot for working on your projects.
Though you'll find this IKEA item in the homeware aisle, it actually has the perfect dimensions and compartments to store those stacks of toilet roll.