Buildings are built with Build Points (BP). Build points not only include gold, but also resources needed to build certain aspects of a kingdom. 1 BP is worth approximately 4,000gp to get the general idea as to how costly various building expenditures are.
Demolition of a building costs 1 BP
Descriptions:
Building: Type of building
BP Cost: How many building points it costs to build the building
Lots: How many lots in the kingdom it takes to build
Kingdom: Effects building has on the kingdom
Discount: Some buildings have the cost of another building only if the building is the NEXT built building after the discount building.
Limit: Limit to the number of this type of buildings in the area or what they need to be built near.
Upgrade To/From: Some buildings can be upgraded to or from another type
Special: Anything special about the building
Magic Items: Lists any magic items a building creates. Fulfilled in Upkeep Phase
Settlement: Effects building has on modifiers for settlement.