Lock your windows and doors
Use automatic switches for Lighting, radios and televisions to give the impression you are home.
Get someone to put your bin out and bring it in on bin day
Get someone to remove your mail from the mailbox
Get someone to bring the paper in or cancel it for your holiday period
Get someone to attend your home at least once a week, park in the driveway and make it visible that someone is home
Give your contact details to several trusted people so that you can be contacted whilst you are away (for emergencies)
Ensure your security lights and alarms are in working order