Matthew and the three kobolds went inside the ogre village and they could finally see the whole ogre village without being impeded by the tall wooden wall that surrounded the whole ogre village. And just like their walls which are made up of polished wood, the buildings and houses inside the village were also made out of wood.
Matthew had seen the woods that were used for the construction were polished wood and when compared to the kobold's houses, the ogre houses looked more like a house that he was familiar with, while the kobolds' houses were more like a shack compared to the houses that Matthew was currently seeing right now.