About Us

One Cert Consulting is a Perth-based team of professional, efficient and reliable approvals consultants and building surveyors delivering both planning & building approvals across Western Australia.

We take the stress out of the approvals process by organising and liaising with external expert consultants (energy efficiency assessors, consultant building surveyors, engineers etc.) and all relevant authorities including Councils and DFES to ensure a seamless approval process.

The team has vast & extensive experience in both local government and private consulting across approvals management and building surveying. Whether residential or commercial, by engaging the One Cert team you are guaranteed up-to-date technical advice with the highest level of customer service!


It is vital to engage an approvals manager / building surveyor to navigate the often complex approvals process in Western Australia.

Our Process


Whether providing your own design or needing us to organise a set of drawings, each project is assessed by our expert team of approvals consultants. We provide preliminary advice and guidance to ensure a streamlined and stress free approval process. Building Audits & Expert consultants such as structural/fire engineers and energy efficiency assessor are generally engaged in-house at this stage of the process.


Already organised your own Engineering or Energy Report? Great! We can skip straight to review & certification of the project. All projects are certified by a qualified & registered Building Surveyor. A certified project minimises risk and ensures a fast approval with a 10 business day turnaround in lieu of 25 business days for uncertified.


By engaging an approvals manager we ensure all legislation has been addressed and liaise with the relevant authorities directly – certification from a building surveyor is only one step in the process! Our team are with you each step of the way, even providing post-approval support to ensure the highest level of customer service.

Our Services

What we do

Why choose us

Extensive experience in both residential & commercial projects working as private consultants and in local government. We combine backgrounds in council liaison, building surveying and town planning to offer the one-stop-shop approvals management service.

We only engage expert consultants at the leading edge of their field to minimise risk to our clients and ensure cost effective design solutions. All our projects are certified by a registered Level 1 Building Surveyor and Accredited Member of the AIBS, all our Structural Engineers are Members of the Institute of Engineers Australia and all our Energy Efficiency Assessors are ABSA accredited.

Each project is quoted on a job-by-job basis to ensure accuracy of the fee. There are no set rates or inflated margins, to ensure quality service at a competitive rate!