Most Iron Age Celts lived in roundhouses with just one big room.
They were built using nearby materials from the forests.
The wall of a roundhouse would be made from wattle (woven wood) and daub (straw and mud) which dries hard to keep the inside well insulated and warm.
Inside a roundhouse you might have found:
The Celts also built over 4000 hillforts on the top of large hills. These had high embankments (mounds of soil) and deep ditches (holes) around a group of roundhouses to look impressive and to defend them from raiders.
Iron Age >