On 04/04/2018 08:41, Andy Burns wrote:
Dave Plowman wrote:

You should only lock the inside handle
when the house is vacant.

I keep a key on a string inside, where I know it will be if I need to
get out, but far-enough away and round a corner so it isn't 'fishable'
through the letter box.

Just wait until drones are small enough to fit through the letter box!