Knowledge base
A growing collection of terms, procedures and materials we return to in client work.
Knowledge base
Short notes and longer reads on the terms, procedures and materials we return to in client work. Click an entry to read more.
Have a question? Write to usAdministrative procedures
- Building conditions (WZ)
When your plot has no local zoning plan in force, the "warunki zabudowy" decision sets out what and how can be built on it. A short guide to reading it.
- Zoning plan vs. building-conditions decision
Two documents, one purpose — but different procedure, cost and predictability. Which is better to have on your plot, where the two overlap and how to read them.
- Replacement design
When you want to change something significant during construction, there are two paths — fast and slow. When a replacement design is needed, and when a "non-essential change" is enough.
Materials
- What to build a house from?
The choice of wall material affects not only construction costs, but also thermal comfort, acoustics, and the long-term durability of a house. This article compares the most popular masonry technologies, outlining their key advantages, disadvantages, and best use cases.
- Foundation slab
Marketed as a revolution. Structurally, it is simply a monolithic reinforced slab in place of footings and foundation walls. When it makes sense, and when to stick with footings.