Buildings (TW3K)

The sortable table below gives details of the main effects and requirements of buildings in Total War: Three Kingdoms. The cost per turn, number of build turns and initial cost can all be altered by character or faction generated effects, assignments and administrators.

Building	Chain	Level	Reforms Required Required / !Unlocked Unlocked	Resources Required Required / !Unlocked Unlocked	Income	Income Multiplier	Other Effects	Cost per Turn	Base Build Turns	Base Build Cost	City Level Required
Drifter Workforce Camp	Labour	1	n/a	n/a	n/a	n/a	Population Growth +4K	0	1	700	Small City
Temporary Labour Housing	Labour	2	n/a	n/a	n/a	n/a	Population Growth +12K	10	2	1150	Small City
Labourer Conscription Housing	Labour	3	!Unlocked Slave Mobilisation	n/a	n/a	n/a	Population Growth +25K	30	2	1800	Small City
Permanent Labour Housing	Labour	4	Required Office of Arts & Crafts	!Unlocked Artisans	n/a	n/a	Population Growth +50K	60	3	3050	Small City
Office of Works	Labour	5	Required State Monopolies	!Unlocked Artisans	n/a	n/a	Population Growth +100K	110	3	5400	Small Regional City
Bureau of Mining Subsidiaries	Labour	4	Required Shaft Mining	Required Iron	n/a	Industry +25%	Population Growth +40K	40	4	2800	Small City
				Required Salt
				!Unlocked Industrialists
Bureau of State Mining Expeditions	Labour	5	Required Carburettor Chambers	Required Iron	n/a	Industry +40%	Population Growth +80K	80	4	3800	Small Regional City
				Required Salt
				!Unlocked Industrialists
State Workshops	State Workshops	1	!Unlocked Pottery Bricks	n/a	Industry +100	n/a	n/a	0	2	1250	?
Communal Workshops	State Workshops	2	n/a	n/a	Industry +200	n/a	n/a	0	5	2100	?
Government Workshops	State Workshops	3	Required Currency-Based Economy	n/a	Industry +300	n/a	n/a	0	5	2950	Small City
Government Provincial Workshops	State Workshops	4	Required Office of Arts & Crafts	!Unlocked Industrialists	Industry +400	n/a	n/a	0	8	3800	Small City
Grand State Workshops	State Workshops	5	Required State Monopolies	!Unlocked Industrialists	Industry +500	n/a	n/a	0	8	4650	Small Regional City
Currency Inspector Office	State Workshops	3	Required Currency-Based Economy	n/a	Industry +200	n/a	Corruption -10%	0	4	3000	Small City
Coin Maker	State Workshops	4	Required Office of Arts & Crafts	Required Copper	Industry +250	n/a	Corruption -10% (adjacent commanderies)	0	6	3600	Small City
Grand Treasury Mint	State Workshops	5	Required Office of Arts & Crafts	Required Copper	Industry +300	n/a	Corruption -15% (adjacent commanderies)	0	6	4350	Small Regional City ?