3 minutes ago, DaptoFunlandGuy said:

I assume they'd land in the MW helipad though...

Sorry, where is the MW Helipad?

I'm pretty certain this fenced off area to the right hand side of the staff entrance is signposted as a HLS - although admittedly its been a few years since I went down that end of the carpark. 

The top right corner of this view shows a Windsock:

And here's the google streetview, although there does not appear to be any signage indicating that it is in use, the windsock suggests it's still relatively active: