Go room to room to turn off and unplug all electrical devices before flipping the main power switch.
Drain the plumbing system to prevent pipes from freezing and bursting.
Drain your water tank. Just remember to turn off the power supply to the water heater first to avoid damaging the heating element.
Leave the door to the refrigerator ajar to avoid a foul smell in the spring. Remove all food from the refrigerator and cupboards.
Ensure all windows are closed and the fireplace damper is shut tightly to prevent animals from getting inside during the winter.
Store extension cords in rodent-proof containers. Check all cords for damage before using them again in the spring.
Take photos of each room and outside the cottage just in case there’s damage during the winter and you need to file a claim with your insurance company.