If you're building a tiny house on a permanent site, you can build or buy whatever size you can afford. But for the true nomad who plans to pick up stakes in the future--indeed, part of the appeal of tiny home living is ease of relocation--your square footage is limited by whatever you can fit onto the back of a trailer.

To address this, Latvian company Brette Haus has designed a variety of tiny houses that fold and unfold. Up to four of them can fit onto the back of a standard tractor-trailer, and while they're not as compact as flatpack approaches, assembly is made a great deal easier.

Brette Haus' homes can be transported to site by a truck equipped with a small crane, delivering the home and assembling it in one go.

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Brette Haus' approach also eliminates the bulk of the tradesperson's work. The houses arrive with all internal electrical, plumbing and sewage all pre-installed. "Every house is equipped with lights, toilet, sink, shower tray, kitchen countertop, and mixer taps," the company writes. All the owner needs to do is connect the systems to the on-site sources, then move in.

Here's the company's process, from factory to site:

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As for construction materials: In order for the houses to be strong enough to undergo the stresses associated with assembly, Brette Haus has made them from CLT (Cross Laminated Timber). In addition to preventing wood movement/shrinkage, the material "improves the insulation and durability, and allows you to do without heat insulation even in cold climates." The hinges are rated for 100 cycles, in the unlikely event that you decide to move 99 times.

Buy-in starts at €22,000 (USD $26,729) for a 22 square-meter (237 square-foot) house; prices rise to €31,000 (USD $37,672) for a 31 square-meter (337 square-foot) house and €47,000 (USD $57,117) for a 47 square-meter (506 square-foot) house.

You can learn more here.