Practical Engineering Solutions
At Hewitt Consulting Engineers, we specialise in mechanical engineering and multidiscipline solutions for buildings across Sydney, NSW, and the East Coast of Australia. With a strong focus on practical engineering, we help create environments that are comfortable, functional & energy-efficient.
From concept through to construction, we bring technical precision and creative thinking to every project—whether it’s a commercial office fitout, a healthcare facility or a large-scale mixed-use development.
Our Services
Hewitt Consulting Engineers offers a comprehensive suite of mechanical and multidisciplinary services across all project types, including new builds, refurbishments, and infrastructure upgrades across NSW and the eastern seaboard. These services include:

Mechanical Engineering Building Services (HVAC)

Multidisciplinary Engineering Services

Industrial Engineering Services

Expert Witness

Drafting Services

Technical Inspections & Engineering Reports

Computational Fluid Dynamics (CFD)

Mechanical Acoustic Assessments
Our Projects
Our team has successfully delivered engineering solutions across a wide range of sectors. From large-scale developments to complex refurbishments, we bring tailored expertise and a collaborative approach to every project no matter the size or scope.

Residential

Education

Aged Care

Hospitality, Leisure & Hotels

Office Spaces

Health Care

Government

Pharmaceutical, Laboratory & Food Production

Retail

Commercial

Electrification Projects
Why Choose Hewitt Consulting Engineers?
Based in Sydney, and servicing projects across NSW, Queensland, and Victoria, Hewitt Consulting Engineers brings:
Flexible solutions tailored to project-specific budgets, timeframes, and sustainability targets
Comprehensive knowledge of local building codes, NCC/BCA compliance, and Australian Standards
Proven experience in many sectors, including commercial, education, healthcare, and residential sectors
A commitment to quality, collaboration, and engineering integrity