
Effect · every source
How to reduce Domicile Building Construction Cost in CK3
1 source raises Domicile Building Construction Cost and 4 lower it in the game files of patch 1.20.0.3 — for this one, lower is better.
domicile_build_gold_costIn Crusader Kings III, 1 source raise Domicile Building Construction Cost and 4 sources lower it. Biggest cuts: Architect -10%, Camp Tax -10%, Cutting Costs -10% and Cutting Costs -5%. It goes up with Manor Reform +25%. Patch 1.20.0.3, from the modifiers of traits, perks, traditions, buildings and the rest of game/common.
The biggest reductions
-10%ArchitectTrait- -10%Camp TaxLifestyle perk · Adventurer government
- -10%Cutting CostsLifestyle perk · Nomadic government
What lowers Domicile Building Construction Cost (4)
Traits (1)

Architect-10%
architect· game/common/traits/00_traits.txt
Lifestyle perks (3)
Camp Tax-10%
Adventurer government
tax_man_perk· game/common/lifestyle_perks/00_stewardship_2_domain_tree_perks.txtCutting Costs-10%
Nomadic government
cutting_corners_perk· game/common/lifestyle_perks/00_stewardship_2_domain_tree_perks.txtNot Adventurer government
cutting_corners_perk· game/common/lifestyle_perks/00_stewardship_2_domain_tree_perks.txt
What raises Domicile Building Construction Cost (1)
Laws (1)
Manor Reform+25%
Imperial Policies · Rulers with this law
manor_reform_law· game/common/laws/03_imperial_policies.txt
Source: game/common/laws/03_imperial_policies.txt, game/common/lifestyle_perks/00_stewardship_2_domain_tree_perks.txt, game/common/traits/00_traits.txt and the English localisation, Crusader Kings III 1.20.0.3. Building chains are shown once, at their strongest level, with the range over their levels. Effects that come only from events or scale with a script value are not listed.