
Effect · every source
How to reduce Holding Construction Time in CK3
1 source raises Holding Construction Time and 2 lower it in the game files of patch 1.20.0.3 — for this one, lower is better.
holding_build_speedThe biggest reductions
- -30%Professional RecruitmentLifestyle perk · Not Adventurer government
-15%ArchitectTrait
What lowers Holding Construction Time (2)
Traits (1)

Architect-15%
architect· game/common/traits/00_traits.txt
Lifestyle perks (1)
Not Adventurer government
professional_workforce_perk· game/common/lifestyle_perks/00_stewardship_2_domain_tree_perks.txt
What raises Holding Construction Time (1)
Tenets (1)

Followers
tenet_sanctity_of_nature· game/common/religion/tenet_types/00_tenet_types.txt
Source: 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.