Move this thread to http://forum.thesettlersonline.com/forums/273-Buildings ?
Just a quick overview of the resources needed to upgrade buildings to Level 6:
Stone mason: 50 Grout, 500 Granite
Marble Mason: 100 Grout, 1000 Granite
Farm: 300 Grout, 1000 Granite
Mill: 300 Grout, 1000 Granite
Bakery: 300 Grout, 1000 Granite
Silo: 600 Grout, 3300 Granite
All upgrades take 7 days
Last edited by Kit_; 14.12.14 at 15:33.
So I was going to say "This would go well in [Guide] Building Upgrade & Production costs" but these links no longer work - or - [Guide] Buildings & Upgrade costs ( buildings in building menu) but the second post there suggests a move to this area so...
Useful info all the same.