Hey! Well I think it took me about 3 months ish to build, but it was spread out over about a year so it is hard to say for sure. And I’m a software developer so I don’t think my day rate would be a fair way to do the calculation. But I’ll ballpark a builder at around €70/day around here, so 3 * 22 * 70, so around €5k for labour?
But this style of construction is pretty unusual for the region, so you may need someone more specialist. If you need someone let me know though, I can think of a couple of companies.
I can give you more details over email.
The things I think I really got right are: 1) build from new, don’t renovate. And 2) build the whole structure on a platform off the ground. The entire building is supported on 6 steel legs.
Also, solar power + AC is fantastic. A bit of thermal bridging doesn’t seem to matter so much in 40 degree weather when the AC is solar powered :-)