You can search Auckland Council’s Unitary Plan yourself for information on whether trees are protected if you have access to the internet. Things to check:
Unitary Plan Maps – https://unitaryplanmaps.aucklandcouncil.govt.nz/upviewer/
Click the ‘I agree’ box in the disclaimer in order to access the maps.
Type in the address of the property in the search box at the top of the page.
Click on the Legend tab in the left panel. Click on the down pointing arrow on the right side of Unitary Plan Management Layers to pull down the menu. Click on the arrow on the right side of Overlays to pull down the menu. Put a tick in the Natural Resources and Natural Heritage boxes.
If a solid green triangle is shown then there is a Scheduled Tree somewhere on the property. NB : The location of the triangle does not relate to the location of the tree. Click on the Results tab in the left panel and it will tell you what overlays and scheduling applies to this specific property (eg Significant Ecological Areas Overlay, Scheduled Tree).
Click on the blue button called View Full Unitary Plan Text. Click on the + sign next to Chapter L Schedules. Click on the PDF link on the right side next to Schedule 10 Notable Trees Schedule.
You can search the Schedule for address by pressing CTL-F and typing into the search box. This will tell you exactly which tree or trees at that address are Scheduled.