Many thanks for your quick reply Slava!
I've done what you suggested and got no errors. Not sure if it's possible for me to test properly though as I haven't changed the dns for the domain yet (moving it to a new server), so am viewing it by editing the hosts file on my Macbook Pro. When I view
https://lecafeshop.co.uk I actually get:
Could it be that it isn't possible to see an https via editing the hosts file?
Cheers
Jim