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Inspection FAQs

Trees and Shrubs

Trees and Shrubs

The roots of trees and shrubs can affect footings by removing moisture from clay soils immediately underneath the building causing subsidence as the clay shrinks.

In its search for water, a tree root system can spread a lateral distance equal to the height of the tree. If in rows or grouped with other trees, the roots may spread up to twice the height of the tree.

Care should be taken when selecting trees and, as a guide, the trees listed should not be planted within the distance of their mature height from the house depending on the site classification and whether they are to be planted in a line or in a group.

Height of Tree(h) Distance from house (d)
d = 1 h for class H and M sites.
d = 1.5 h for class E sites.
d = 2 h for rows or groups of trees.


10 to 20m 20 to 30m 30m to 60m
Acacias But-But Blue Gum
Ash Cedars Cypress
Athel Tree English Oak English Elm
Candlebark Lemon Gum Figs
Manna Gum Palms Karri
Pepper Tree Planes Pines
Willows Sheoaks Poplars
Yate Silky Oak River Gum
Yellow Gum Spotted Gum Sugar Gum

ABIS building and pest inspections are conducted to the highest standard by building inspectors with a minimum of 10 years experience together with the highest professional qualifications in their field. ABIS has been in business over 27 years conducting both building and timber pest inspections.

Our highly recommended home inspectors are all long term trusted employees not here today gone tomorrow sub-contractors. ABIS Inspectors are supported by a unique computer aided inspection system and the latest inspection equipment such as high sensitivity thermal cameras costing thousands of dollars that others don’t often have.

When you book a pre-purchase inspection with ABIS, our friendly local (they know the area and are not in a interstate or overseas call centre) staff will make the whole process easy for you. Our Office team make all the arrangements with you, your agent, the vendor, the tenant (if there is one) and you will be sent an email to confirm the inspection time along with a pre-engagement letter which covers the scope of the inspection. Good communication and local knowledge are key to you getting the most out of your building and pest inspection. We are always happy to answer all your questions and you are most welcome to be on site when we do the inspection. Our technology, systems and processes also mean you get your high quality report shortly after your inspection is completed.

And all this for an incredible low price.

Service Areas

Area Map The Peninsula Moreton Bay Area East Brisbane Redland Bay Area Gold Coast Ipswich Brisbane West Brisbane Northside Brisbane Southside Logan City

ABIS The 1st Choice in Building & Pest Inspections