Base For Greenhouse?

Hi all,

I've been offered a free 8' x 6' greenhouse - aluminium but without a base. At the moment it's sitting on a concrete 'wall' (to which it's also mortared, and I have to work out how to get it off, but that's another story... )

Please can anyone suggest a cheap and hopefully pain-free way of anchoring it to the allotment? In truth, I'm not overly strong or handy..........

'Proper' concrete footings with a brick base on top seems too tricky and expensive for the plot. I don't want to flag the whole area because I want to grow in the soil inside the greenhouse.

I've read various suggestions, but I'm confused! Would concrete fence posts work as a base, and what would I need to put underneath them?

Ideally I need something which would raise the greenhouse a few inches, to the height it is on its concrete plinth at the moment... That's if I can ever get it off in the first place!

Thank you!

I built an 8x 6ft greenhouse about fifteen years ago. Got it level on the ground and then dug under the corners and then replaced the soil with a big bucket full of concrete. Levelled it up before the concrete set. Still standing in an exposed position.
Cost - a bag of cement and three bags sand/gravel from a DIY store.

I would think that bedding them on a couple of inches of dry sand/cement mix would give you a bit more insurance in terms of stability, and also make it a lot easier to get the all-important truly square and level base.

Good luck! 

I used scaffold planks, fixed to posts in the corners. I have noticed that despite treating the wood before laying, after 3 years - it has started rotting away. If we get a dry spell over winter I'll have to lay a course of blocks to fix it to...another job