I think so, it's what's in our employee handbook. If the office is open, but people can't get into work, half a day is paid, half a day is taken off their holiday allowance. You only get the half day paid if it's proved that you needed 'Extreme Weather Leave' (police reports saying not to travel, etc), otherwise it all comes off the holiday allowance.
Think youreslf lucky! If I don't get in, I don't get paid for that day. Simple
Although it has to be said that in 21+ years of work, snow has never once stopped me, and of all the staff here (There's only 6-ish of us) I will be the one to make it in when everyone else fails, because I can ride the 7 miles in and they can't….. 🙂