Depends where in Europe. I'd say in Northern Europe, especially in Scandinavia wood is more frequently used when building homes.
In other places the roof structure is often made of wood. And although technically it's not part of the building, concrete forms used for foundation/walls are mostly made of OSB/plywood.
In other places the roof structure is often made of wood. And although technically it's not part of the building, concrete forms used for foundation/walls are mostly made of OSB/plywood.