The Umbakians used formulaic and standard approaches for everything. Urban Planning and Architecture in Umbak is overseen by the sect of Balthazaar, Icon of Order.
Long-Lasting Stone: Umbakian engineering uses a great deal of stone. Base levels of buildings (not just foundations) are almost all stone before successive levels of wood are placed on it. Columns and supporting walls hold up stone slabs for first floor roofs/second story floors are quite common. This increases costs as well as durability to Umbakian structures.
Reduce, Recycle, Reuse: The Umbakians are known for the organized planning, which includes a strong drive to reuse materials. Only holy places and family homes are sacred and not to be touched. Other than this, city planning is a constant process of improvement. This means that the old makes way for the new, and any materials that can be reused will. This is most efficient when done right.
Record Keeping: Meticulous Record Keeping is always practiced in Umbakian settlements (in Umbak itself). There is ALWAYS a Hall of Records – even in the smallest of settlements.
Holy Ground Facing: Regardless of location, Umbakian holy ground and structures of faith have entrances that either face the rising sun, or the High Temple of Aerna (the current one in the Grand Duchy of Rhyl.