CK3 DatabaseCrusader Kings III · 1.20.0.3 “Crozier” · unofficial

Effect · every source

How to reduce Holding Construction Cost in CK3

1 source raises Holding Construction Cost and 5 lower it in the game files of patch 1.20.0.3 — for this one, lower is better.

holding_build_gold_cost

The biggest reductions

  1. -30%WatermillsBuilding · Province
  2. -20%Royal ArmoriesBuilding · Each de jure county of the duchy · culture with Metalworkers
  3. -10%ArchitectTrait

What lowers Holding Construction Cost (5)

Traits (1)

  • Architect-10%

    architect · game/common/traits/00_traits.txt

Lifestyle perks (1)

  • Cutting Costs-5%

    Not Adventurer government

    cutting_corners_perk · game/common/lifestyle_perks/00_stewardship_2_domain_tree_perks.txt

Buildings (2)

  • Watermills-30%

    Province

    Levels 1–8: -5% to -30% (8 levels give it)

    watermills · game/common/buildings/00_standard_economy_buildings.txt

  • Royal Armories-20%

    Each de jure county of the duchy · culture with Metalworkers

    Levels 1–3: -10% to -20% (3 levels give it)

    royal-armory · game/common/buildings/00_duchy_capital_buildings.txt

Dynasty legacies (1)

  • Power and Prosperity-5%

    Law legacy · Members of the dynasty

    law_legacy_3 · game/common/dynasty_perks/00_dynasty_perks.txt

What raises Holding Construction Cost (1)

Tenets (1)

  • Sanctity of Nature+25%

    Followers

    tenet_sanctity_of_nature · game/common/religion/tenet_types/00_tenet_types.txt

Source: game/common/buildings/00_duchy_capital_buildings.txt, game/common/buildings/00_standard_economy_buildings.txt, game/common/dynasty_perks/00_dynasty_perks.txt, game/common/lifestyle_perks/00_stewardship_2_domain_tree_perks.txt, game/common/religion/tenet_types/00_tenet_types.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.