Seven council eucalypts along the boundary and a new house going in. A 14-metre root mapping trench found only two structural roots, so the driveway could go ahead with the trees protected.

Two driveways becoming one beside three council brush boxes. We set the protection zones the drawings had to show and the root mapping the new driveway needed.

An 18-tree assessment for a Kirribilli development, built around protecting the neighbour's jacaranda, the most significant tree on the street.

A second-storey roof rebuild beside a neighbour's Port Jackson fig. We showed the fig's roots don't reach through the sandstone, protected two junipers, and planned 2 m of clearance pruning off the house.

Before a major rebuild we assessed every tree, kept eleven behind proper protection, and cleared out the weeds and declining trees.

We measured how much of each tree's root area the new basement would take. The amended design cut that by as much as three quarters, and the canopy pruning from about a third to about a ninth.

New apartments with a basement and balconies beside a mature lilly pilly. We mapped the roots and marked every branch to cut, so the build could start with the tree kept.