Price To Lay Shed Base

Morning all, i've bought a 6'x8' metal shed kit and it needs a decent solid base to anchor it to. can anyone offer any indication of what a reasonable price would be to have a builder come and lay. How much will it cost to make a base for a shed/summerhouse 8m by 4m? asked by: anon way so bottom line is your budget. for a shed/summerhouse i would just slab it but for a base that big i would concrete it. the bottom line is you get what you pay for these days as you can see from the replies but my price would be