[Flobin]

Depends on where in Europe. There is a lot of wood construction in Scandinavia and the Baltic countries. The Netherlands, for instance, uses a lot of brick (for facades, and sand-lime bricks on the inside). Places near the Mediterranean, often use thick stone walls and/or concrete.

[philwelch]

That sounds a lot like people just use whatever materials are locally convenient. Which also explains the popularity of wood framing in the US.