Struggling with the greenhouse.

Are polycarb houses a bit warmer do you think 

Good question - can you measure it ? The bloke next door has a ramshackled wooden thing (I'm not entire sure what's holding it up ) must be really draughty in there, and he's planted right by the door which even when shut you can put your hand in via the gap....

You know all the stuff you're not supposed to do as it will kill your cukes