Things you can do all the time:

Wash hands often for 20 secs

Clean surfaces that other people touch

Leave deliveries for at least 1 day

Things you can do if anyone in the home may have the virus, or has been in close contact with anyone who may have the virus:

Open windows to keep air fresh

Spend more time in separate rooms

Keep 2m apart

Wear a clean face-covering and glasses or sunglasses if you need to be closer than 2m