The Met Office have some practical advice and information on what to do to stay safe in the snow.

When there is a snow warning in place the guidance covers:

  1. What to do if you need to drive somewhere;
    2. Driving safely in snow;
    3. Thinking ahead and acting now so you can cope if cut off;
    4. Staying safe if you are cut off; and
    5. What you can do in a power cut

See: 5 tips for staying safe in snow – Met Office