I hope you know the the workman. Surly they can move the items for you into the centre of the room. Besides, they can not have two "live" edges of plaster touching when working.
Has anybody new moved in on your street? Ask them if they would recommend the company they used. Believe it not some Estate Agents know of a handyman - sorry handy person to be pc
Get several quote's. Do you receive a local rag magazine as sometimes there are adverts for people with a van.