Timber framing is beautiful and long lasting, but expensive, requiring fine workmanship and specialized skills, and more importantly, high quality wood - long, straight trees for beams.

It was more or less obliterated in the late 19th century with the arrival of inexpensive machine-made nails. Cheap nails allowed a shift from timber framing to balloon framing using 2x4 boards, using both cheaper wood and less-skilled labor. Until manufactured nails came along, nails had to be made one at a time, by hand, by a blacksmith. Nails were expensive. That's why 19th century and earlier furniture has such beautiful joinery - it was cheaper to hand-carve dovetail joints and other woodwork than it was to nail it together.

The history of architecture is a history of economics. Fascinating stuff! (None of this is meant as a knock on timber framing, btw - it's superior in every respect but cost.)