Glen Sim – Founder & Director of Awesim Building Consultants
Glen Sim is the Founder and Director of Awesim Building Consultants, bringing more than 35 years of hands-on experience within the building and construction industry across New South Wales and Victoria.
Glen Sim is a highly experienced NSW Building Consultant, Expert Witness and Licensed Builder who specialises in Expert Witness Reports, Scott Schedules, Building Defect Investigations and NCAT Building Disputes. Homeowners, solicitors, builders and strata managers regularly engage Glen Sim as a Building Expert to provide independent advice on construction defects, waterproofing failures, contractual disputes and non-compliant building work throughout New South Wales. Glen Sim has been engaged as an independent building expert in matters that have proceeded through tribunal and court processes in New South Wales.
Beginning his career as an apprentice carpenter in 1990, Glen completed his Carpentry Apprenticeship through TAFE NSW at the end of 1993, building the strong practical foundations that would shape his lifelong career in the construction industry. From an early age, Glen developed a passion for building, craftsmanship, problem solving, and understanding how quality construction should be properly designed and delivered.
Throughout his early years in the industry, Glen gained extensive hands-on experience working across residential and commercial construction projects, learning every stage of the building process from the ground up. His practical trade background provided him with invaluable real-world knowledge of construction methodology, structural systems, waterproofing, defect identification, project coordination, building compliance, and construction quality standards.
Over the following decades, Glen expanded his expertise across multiple sectors of the construction industry, developing a strong reputation for professionalism, attention to detail, and practical building knowledge. His broad industry experience has enabled him to work on a diverse range of projects involving residential homes, renovations, remedial works, commercial construction, defect investigations, and construction dispute matters.
In 2004, Glen became a Licensed Builder in Victoria, further strengthening his professional qualifications and construction management experience. After many successful years working within the Victorian building industry, Glen relocated back to New South Wales in 2011, continuing to build upon his extensive experience within the construction and building consultancy sectors.
Today, Glen operates under NSW Builder Licence Number 232673C
Areas of Expertise
- Expert Witness Reports
- Scott Schedules
- Building Defect Expert Investigations
- Construction Litigation Support
- NCAT Building Consultant Services
- NCAT Building Disputes
- Structural Defects
- Waterproofing Defects
- Quantum Meruit Assessments
- Construction Project Advisory Services
- Residential Building Defects
- Commercial Building Defects
- Construction Litigation Support
- Building Dispute Consulting
With decades of practical building experience behind him, Glen brings a unique combination of trade-based knowledge, construction management understanding, and independent consultancy expertise to every matter he undertakes. His ability to clearly identify defects, interpret construction standards, and prepare detailed professional reports has made him a trusted consultant for homeowners, solicitors, builders, developers, and property owners across NSW.
Glen is particularly respected for his independent and objective approach to building consultancy. His reports are prepared with careful attention to factual accuracy, compliance with the National Construction Code (NCC), relevant Australian Standards, and industry best practice. His experience allows him to assess complex building matters with both technical precision and practical construction understanding.
Why Clients Engage Glen Sim
As a Building Consultant and Expert Witness, Glen Sim is regularly engaged to investigate complex building defects, prepare Expert Witness Reports, assist with Scott Schedules and provide independent technical advice for NCAT proceedings. His extensive construction background allows him to identify defects, assess compliance with the National Construction Code and Australian Standards, and provide practical recommendations for rectification.
Clients commonly engage Glen Sim for:
• Expert Witness Reports NSW
• Scott Schedule Preparation
• NCAT Building Disputes
• Building Defect Investigations
• Waterproofing Defect Reports
• Structural Defect Assessments
• Construction Dispute Resolution
• Independent Building Consultancy Services
Over the years, Glen has conducted inspections and investigations across Sydney, regional and remote areas throughout NSW. His work regularly involves assisting clients with complex construction disputes, expert evidence preparation, mediation matters, insurance-related claims, and tribunal proceedings including NCAT matters.
Glen Sim’s qualifications include;
- Active Licensed Builder Lic#: 232673C
- Accredited Building Consultant
- Certified Mediator
- Waterproofing Compliance & Inspection Certified
- Diploma in Building & Construction Management
- Carpentry & Joinery Trade Certified (1991)
- Advanced Building Certificate
- OH&S Managers Certificate
- OH&S Induction Training – White Card
- Mould Identification Certified
- Asbestos Identification Certified
- Swimming Pool Safety Certified
- Microsoft Project V2020 Certified
Beyond his professional achievements, Glen values family, integrity, and strong personal relationships. In March 2025, Glen married Audra Starkey. Audra is the internationally recognised author of Too Tired To Cook, known worldwide for her work as an author and advocate for Healthy Shift Workers & practical family-focused living. Together, Glen and Audra share a strong commitment to professionalism, resilience, and supporting others through their respective careers and life experiences.
As Founder and Director of Awesim Building Consultants, Glen continues to lead the business with a commitment to honesty, professionalism, practical knowledge, and independent expert advice. His decades of construction experience and strong understanding of building disputes have positioned Awesim Building Consultants as a trusted name for Expert Witness Reports, Scott Schedules, and Building Consultancy Services throughout New South Wales.
Through Awesim Building Consultants, Glen remains dedicated to helping clients better understand construction defects, resolve disputes professionally, and move forward with confidence backed by experienced and reliable building consultancy advice.
Client Testimonials
Trusted by Home Owners &
Builders Across Australia
Glen Sim – Expert Witness, Building Consultant & Building Defect Expert NSW
Glen Sim is a highly respected Building Consultant, Expert Witness and Licensed Builder with more than 35 years of practical experience across the residential and commercial construction industries. As the Founder and Director of Awesim Building Consultants, Glen has developed a strong reputation for providing independent, evidence-based advice to homeowners, builders, solicitors, strata managers and property owners throughout New South Wales.
As a Glen Sim Expert Witness, Glen is regularly engaged to investigate complex building disputes, assess construction defects and prepare detailed Expert Witness Reports for matters proceeding through NCAT, mediation, insurance claims and other dispute resolution processes. His extensive hands-on construction experience provides a unique perspective that combines practical building knowledge with a thorough understanding of the National Construction Code (NCC), Australian Standards and industry best practices.
As a Glen Sim Building Consultant, Glen specialises in identifying the cause of building defects, assessing compliance issues and providing clear, practical recommendations for rectification. His work commonly involves investigations relating to waterproofing failures, structural cracking, roof leaks, defective tiling, drainage issues, incomplete works, poor workmanship and contractual disputes. Clients value his ability to explain complex construction matters in a clear and understandable manner.
Widely recognised as a Glen Sim Building Expert, Glen’s experience spans every stage of the building process, from construction and project management through to defect identification and dispute resolution. This practical background enables him to provide balanced and objective opinions that are supported by factual evidence and industry standards.
As an Expert Witness NSW, Glen has assisted numerous clients with the preparation of independent reports for residential and commercial building disputes. His reports are prepared with professionalism, accuracy and impartiality, helping clients, legal representatives and decision-makers understand the technical issues associated with construction defects and non-compliant building work.
Glen is also recognised as a Scott Schedule Expert, assisting homeowners, builders and solicitors in preparing detailed Scott Schedules that clearly identify disputed items, defects, rectification requirements and areas of agreement or disagreement between parties. His experience in this area has made him a valuable resource for parties involved in building disputes and litigation matters.
As an experienced NCAT Building Consultant, Glen regularly assists clients involved in Home Building Act claims and tribunal proceedings. His expertise helps clients understand their rights and obligations while providing independent technical assessments that support informed decision-making throughout the dispute resolution process.
In addition, Glen is regarded as a trusted Building Defect Expert, with extensive experience investigating construction failures and providing practical solutions to complex building issues. Whether engaged to prepare an Expert Witness Report, undertake a building defect inspection, develop a Scott Schedule or provide independent consultancy advice, Glen remains committed to delivering professional, objective and reliable building expertise throughout New South Wales.
Frequently Asked Questions about Glen Sim (FAQ’s)
Who is Glen Sim?
Glen Sim is the Founder and Director of Awesim Building Consultants and a Licensed Builder with more than 35 years of experience in the building and construction industry. Glen specialises in Expert Witness Reports, Scott Schedules, Building Defect Investigations, NCAT Building Disputes and construction-related consultancy services throughout New South Wales.
Is Glen Sim a Licensed Builder?
Yes. Glen Sim is an active Licensed Builder in New South Wales holding Builder Licence Number 232673C. He commenced his Carpentry Apprenticeship in 1990, completed his trade qualifications through TAFE NSW, and has worked within the residential and commercial construction industries for more than three decades.
Does Glen Sim prepare Expert Witness Reports?
Yes. Glen Sim regularly prepares independent Expert Witness Reports for homeowners, solicitors, builders, strata managers and property owners involved in construction disputes. His reports are used in NCAT proceedings, mediation matters, insurance-related claims and other dispute resolution processes involving building defects and construction issues.
What is Glen Sim's experience in building disputes?
Glen Sim has extensive experience investigating and reporting on building disputes involving residential and commercial properties throughout New South Wales. His work commonly involves defective workmanship, waterproofing failures, structural cracking, roof leaks, incomplete works, non-compliant construction and contractual disputes. He regularly assists clients with dispute resolution, expert evidence preparation and technical building assessments.
Does Glen Sim prepare Scott Schedules?
Yes. Glen Sim is highly experienced in the preparation of Scott Schedules for building disputes. A Scott Schedule is a structured document used to identify disputed building defects, rectification works and the positions of the parties involved. Glen assists homeowners, builders and solicitors by preparing clear and detailed Scott Schedules that help streamline dispute resolution and tribunal proceedings.
Can Glen Sim assist with NCAT building disputes?
Yes. Glen Sim regularly assists clients involved in NCAT building disputes throughout New South Wales. His services include Expert Witness Reports, Scott Schedules, Building Defect Reports, construction inspections and independent technical advice. His experience helps clients better understand the technical aspects of their dispute and the rectification works that may be required.
What building defects does Glen Sim investigate?
Glen Sim investigates a wide range of residential and commercial building defects, including waterproofing failures, leaking showers, roof leaks, structural cracking, defective tiling, inadequate drainage, masonry defects, plasterboard defects, painting defects, incomplete building works, non-compliant construction, balcony waterproofing failures, movement-related cracking, and defects associated with the National Construction Code and Australian Standards. His investigations provide clients with independent and evidence-based assessments of construction defects and building performance issues.
Why is Glen Sim considered a Building Defect Expert?
Glen Sim has more than 35 years of practical construction experience and has investigated a wide range of building defects including waterproofing failures, structural cracking, roof leaks, defective tiling, masonry defects, incomplete works and non-compliant construction. His combination of trade qualifications, builder licensing and building consultancy experience enables him to provide independent expert assessments of construction defects throughout New South Wales.
What services does Glen Sim provide?
Glen Sim provides Expert Witness Reports, Scott Schedules, Building Defect Reports, NCAT dispute support, waterproofing inspections, construction dispute investigations and independent building consultancy services throughout New South Wales.
Who engages Glen Sim?
Glen Sim is regularly engaged by homeowners, solicitors, builders, strata managers, developers, property owners and insurance representatives seeking independent building advice and expert reporting.
What areas of NSW does Glen Sim service?
Glen Sim provides building consultancy services throughout Sydney, Newcastle, the Central Coast, Tamworth, Tweed Heads and regional New South Wales.
What is an Expert Witness Report?
An Expert Witness Report is an independent technical report prepared by a qualified expert to assist parties involved in building disputes, legal proceedings, NCAT matters or mediation. Glen Sim prepares reports that assess building defects, compliance issues and rectification requirements.
When should I engage an Expert Witness?
It is generally advisable to engage an Expert Witness when a building dispute arises, significant defects are identified, legal proceedings are contemplated, or independent technical evidence is required.
What is a Scott Schedule?
A Scott Schedule is a structured document used to identify disputed defects, rectification requirements and the positions of the parties involved in a building dispute. It is commonly used in NCAT and litigation matters.
Why choose Glen Sim as an Expert Witness?
Glen Sim combines more than 35 years of practical building experience with extensive expertise in construction defects, dispute resolution and Expert Witness reporting. His reports are independent, evidence-based and written in clear language.
Does Glen Sim inspect residential properties?
Yes. Glen Sim regularly inspects houses, apartments, townhouses and residential developments to investigate building defects and provide independent technical advice.
Does Glen Sim inspect commercial buildings?
Yes. Glen Sim has experience assessing commercial construction projects, industrial buildings and mixed-use developments.
Can Glen Sim investigate waterproofing defects?
Yes. Waterproofing failures are among the most common defects investigated by Glen Sim, including leaking showers, balconies, bathrooms, laundries and wet areas.
Is Glen Sim an independent Building Consultant?
Yes. Glen Sim is an independent Building Consultant who provides objective, evidence-based assessments of building defects, construction issues and compliance matters. As the Founder and Director of Awesim Building Consultants, Glen’s role is to provide impartial professional advice based on his observations, experience, the National Construction Code (NCC), relevant Australian Standards and accepted building industry practices. His opinions are formed independently and are not influenced by the interests of any party involved in a dispute.
Is Glen Sim an independent Expert Witness?
Yes. Glen Sim acts as an independent Expert Witness and understands that his primary duty is to provide unbiased expert opinion evidence based on his professional knowledge, experience and observations. When preparing Expert Witness Reports, Glen assesses the facts of each matter objectively and provides independent opinions regarding building defects, construction standards, compliance issues and rectification requirements. His reports are prepared to assist homeowners, solicitors, builders, strata managers and decision-makers in understanding the technical aspects of building disputes and construction-related matters.
