Delivery from Kiddicare

Posted this on M&K also. I placed an order with Kiddicare.co.uk and got a text last night saying it had been dispatched on an 'overnight next working day service'. Does anyone know whether that means it will be delivered today ? I don't want to stay home all day waiting for it if not. Does anyone know what happens if you're not there to receive it ? Thanks !

when i got that text it took two days to arrive from UK, i wasnt there when delivery arrived, the driver rang and I organised with him to pick it up from our local depot. He did give the option to deliver the next day, but you know yourself, they never give a precise time