There really is only one way to safely store high-value items such as jewellery, watches, passports, credit cards, computer data and identification documents. And that’s in an insurance accredited or fire-rated safe.
Position the safe carefully so it won't be easily discovered.
Don't place it in your bedroom as this is the first place a burglar will look.
Be sure to effectively secure your safe by bolting it to a wall or floor.
Home safes are insurance rated according to the type and value of the items designed to be placed inside them. So check with your insurance company first, to ensure you are adequately covered.