Why not ask Terra Nova;? They are very helpful.
Recent reviews of their customer service have been decidedly shit from what i've read.
(No matter to me though as they are only down the road and i can go bash on their doors)
I'm real missing my comp already and a may consider a new comp if Stephen decides to keep his Scarp, (or i don't bag another) just for immediate hassle free ownership of a new tent to be honest, hence the OP.
Include a little history in your walks. Pecsaetan - Ancient Derbyshire, Staffordshire and South Yorkshire - http://pecsaetan.weebly.com/