It's always a bit stressful when you have a big tree that looks like it might cause some damage. I found this page from Tree Control in Tauranga, and it's a really good breakdown of how professional tree removal actually works.
They cover the whole process, from the initial risk assessment and planning to how they safely take a tree down in sections, especially if it's near the hou... https://treecontrol.co.nz/controlled-tree-removal/