Clear cost advice.
Stronger project outcomes.

Quantity surveying, cost estimating, and contract support for private and public clients worldwide.

Modern architecture

What we do

Cost Estimating

Accurate early-stage and detailed estimates for residential and commercial projects.

Quantity Surveying

Full quantity surveying services from feasibility through to final account.

Contract Administration

Practical support managing contracts, variations, and project processes.

Project Advisory

Independent advice to help clients make better decisions and reduce risk.

Over a decade of commercial experience

Flanders Advisory provides independent quantity surveying and project support to clients who want clear numbers and practical guidance on their building projects.

Based in Sydney, we work with private homeowners and public clients across Australia and internationally.

About us
Professional workspace