The Roof Tile House is the first unlocked residential building in the Iron Age and the fifth residential building overall. It is unlocked by researching the Roof Tile Houses technology. It produces 15 Coins in 15 minutes, and provides 44 population.
15.00 per tile and hour 
Other Residential Buildings
- Efficiency is measured by an assumed maximum production per hour divided through the number of tiles of the building and can be used as a subjective comparison towards other residential buildings.
- Premium Buildings.
- Buildings on Mars Outpost.
- Buildings on Asteroid Outpost.
- Buildings on Venus Outpost.