Cost for platform (and deck)?

[Bob Rowlands]

If the site is flat enough, I'd go with a concrete pad. Fast to build, affordable, bombproof, no upkeep. If you have electric and plumbing, you need to get that based first. If you gaet burned out on yurt down the road, you have a garage slab.

There's no way I'd opt for the expense of a heated slab for radiant under any yurt. You need a boiler for that, a manifold, lots of piping etc, all that in a yurt isn't money well spent. In a house, it certainly is.