I have a hallway ceiling to plasterboard on a new build, it is 2.7m wide & 7m long.

can I use 2.7m sheets & in a row without staggering them? Pros & cons?

Crack on!

less joins always better, can you get 2.7m easily, manage to fit them?

Thanks @TonyT, makes it easier & saves waste.

I wasn’t sure if they needed to be staggered for finishing but should almost be a better finish not having them staggered 🤔
I presume that I can get them locally, some arrived with the kit for another part of the house so worst case I can use them & order others.

You should stagger them really although the area covered isn't of great volume so should be fine.