Can you provide an obligation-free quotation before starting?

Yes. We offer an obligation-free quotation for your building dispute or Expert Witness Report. This helps you understand the likely scope, timeline, and costs involved before proceeding.

What is the minimum cost of a small claim?

For a small claim involving one hour of site investigation, one Expert Witness Report, and one Scott Schedule, the minimum cost is approximately $2,750.00 (inclusive of GST).

What is the typical price range for an Expert Witness Report?

Most Expert Witness Reports fall within the $5,000–$15,000 range, depending on the scale and complexity of the matter. For larger claims, such as multi-unit or strata complex disputes, total reporting costs can exceed $600,000 in major cases worth $10 million or more.

How long does it take to receive the report?

On most occasions, an Expert Witness Report takes around 2–4 weeks from the date of the site investigation to prepare and submit. Complex matters may take several months to compile sufficient supporting evidence.

When are site investigations conducted?

All site investigations are generally carried out between 7:00am and 9:00am on weekdays, unless prior arrangements have been made.

Do you require payment upfront?

Yes. It is company policy that all payments are made prior to both the Site Investigation and the commencement of the Expert Witness Report. This ensures the independence and objectivity of our opinions.

Where do you provide Expert Witness services?

We service all of New South Wales, including Sydney, regional cities, and country towns, including the Central Coast, Hunter Valley, Mid North Coast, New England, Northern Rivers, Central West, South Coast, and Riverina/Murray regions, as well as Broken Hill and other remote locations.

Why choose Awesim Pty Ltd for your Expert Witness Report?

With more than 35 years in the building and construction industry and the business established in 1996, Awesim brings extensive experience and credibility. Director Glen Sim is a qualified builder and accredited consultant with a trade background in Carpentry/Joinery and a Diploma in Construction Management. Awesim is fully insured with Professional Indemnity cover and recognised by NCAT and the courts for compliance with the Expert Witness Code of Conduct.

What is a Scott Schedule and why is it needed?

A Scott Schedule is a structured report outlining the specific issues in dispute — for example, defects, costs of rectification, or variations. It's often required by NCAT or the Court to help clearly compare both parties' expert opinions side by side.

What is included in the Bundle of Documents?

The Bundle of Documents is the complete evidence pack submitted to NCAT or the Court. It includes the Expert Witness Report and Scott Schedule, Building Contract and Plans, Affidavit and Statement of Claim, Chronology of Events, and supporting evidence and correspondence, tabulated, paginated, indexed, and provided in triplicate.

What qualifications do your Expert Witnesses hold?

Our Expert Witnesses come from trade and management backgrounds in the Building & Construction industry. Director Glen Sim is a qualified Carpenter/Joiner with a Diploma in Construction Management, a NSW Builder's Licence, and accreditation as a Building Consultant.

Are your Expert Witness Reports accepted by NCAT and the Courts?

Yes. All of our Expert Witness Reports strictly adhere to the Code of Conduct for Expert Witnesses and are fully recognised by NCAT and the NSW Court system.

Can you assist with both residential and commercial building disputes?

Yes. We handle both residential and commercial building disputes across New South Wales, tailoring the report to suit the nature and scale of the claim.

Do you work for both homeowners and builders?

Yes. We remain fully independent and are engaged by both homeowners and builders, as well as legal representatives or insurers. Our findings are impartial and evidence-based.

What happens after the Expert Witness Report is completed?

After your report is submitted, we can assist in conferencing with the opposing expert (Expert Conclave), attending Court or NCAT hearings, providing clarifications or supplementary reports, and preparing your Bundle of Documents for submission.

Do you charge for travel outside Sydney?

Yes, travel expenses may apply for site inspections outside Sydney or the metropolitan area. We always provide an upfront estimate of any travel-related costs in your quotation.

What type of evidence do you need before starting a report?

Typically, we'll ask for copies of your building contract, plans, correspondence, defect lists, and any photographic or inspection evidence you already have.

Can I use your report for insurance or warranty claims?

Yes. Many clients use our Expert Witness Reports for Home Building Compensation Fund (HBCF) claims, insurance disputes, or warranty issues. Our reports are designed to be compliant and admissible for these types of proceedings.

How do I get started with booking a Site Investigation?

You can contact us via phone, email, or the online form for an obligation-free quote. Once you accept the quote and payment is confirmed, we'll schedule a site investigation, typically between 7:00am and 7:00pm on weekdays.

Who is Awesim and how long have you been operating?

Awesim Pty Ltd is a privately owned Australian building consultancy, established in 1996. It was founded by Glen Sim, who brings over 35 years of experience across the building and construction industries and more than 15 years providing litigation support to homeowners, builders, and lawyers.

We provide independent building consultancy and litigation support, specialising in expert witness reports and Scott Schedules for building disputes before NCAT and the NSW courts.

What kinds of building matters do you specialise in?

We focus on building disputes and defects, including waterproofing failures, structural defects, incomplete and defective building works, and construction litigation, covering expert witness reports, Scott Schedules, and quantum meruit assessments.

What areas do you cover?

We provide services throughout New South Wales, including regional and remote locations. Our offices are located in Sydney CBD, Tamworth and Tweed Heads, and we travel across New South Wales for inspections and investigations.

Who do you work with?

We assist homeowners, solicitors and legal representatives, builders and contractors, developers, property owners, owners corporations, and parties involved in insurance-related building matters.

What services do you offer?

Our services include expert witness reports, Scott Schedules, and quantum meruit reports for litigation support, alongside client-side project management, contracts administration, and construction scheduling.

Why should I choose Awesim over another building consultant?

We provide independent, objective reporting backed by more than 35 years of practical building and construction experience, coupled with over 15 years of litigation support. Our reports are tribunal-ready, supported by detailed photographic and compliance evidence, and grounded in strong knowledge of the National Construction Code and Australian Standards.

What building problems can you help me with?

We help with building defects, disputes over incomplete or defective work, waterproofing and structural issues, and disagreements that require independent expert evidence to resolve — particularly matters heading to or already before NCAT.

What outcome can I expect from working with you?

You can expect a clear understanding of your position, reliable independent expert evidence prepared for NCAT or court, and professional support aimed at resolving your dispute and protecting your interests.

How much does an Expert Witness Report cost for an NCAT building dispute in NSW?

An NCAT Expert Witness Report in NSW typically costs between $5,000 and $15,000, with a small single-issue claim starting at a minimum of about $2,750 incl. GST. Awesim publishes fixed, itemised rates: site investigation is $1,100 for the first hour then $550/hour, Expert Witness reporting is $1,100 per issue, and a Scott Schedule is $550 per issue. Conclave or NCAT/court hearing attendance is $3,850 per day. Large strata or multi-unit matters can exceed $600,000 on claims worth $10 million or more. All rates include GST and are confirmed in an obligation-free written quote before any work begins. Reports are usually delivered within 2–4 weeks of the site inspection.

Do I need an Expert Witness Report for NCAT, or is a building inspection enough?

If your building dispute is going to NCAT or court, you need a formal Expert Witness Report — a standard pre-purchase building inspection is not accepted by the Tribunal. An Expert Witness Report is prepared under the Expert Witness Code of Conduct, assesses each defect against the National Construction Code, Australian Standards and the Home Building Act, and states cause, responsibility, rectification method and cost for every issue. Awesim prepares these reports, with an accompanying Scott Schedule where multiple defects are involved, for homeowners, builders and solicitors across NSW.

How much does a forensic waterproofing investigation cost for an NCAT dispute in NSW?

A forensic waterproofing investigation is priced the same way as Awesim's other expert witness work: site investigation is $1,100 for the first hour and $550 per hour thereafter, with additional reporting cost thereafter. Waterproofing matters often involve more diagnostic time, using thermal imaging, moisture meters, dye testing and level checks for falls. Glen Sim holds a Master Builders Association qualification in Waterproofing Compliance & Inspection, assessing each defect against AS 3740 or AS 4654.2 depending on the work. All rates are GST-inclusive and confirmed in an upfront written quote.

My bathroom or balcony is leaking — how do I know if it's actually a waterproofing defect?

Not every leak is caused by a failed membrane. A wet skirting board, water-stained ceiling or damp wall can also be caused by a leaking pipe, blocked drainage, rising damp, poor external ground levels or water tracking from an unrelated part of the building — a forensic investigation is needed to tell the difference before any claim is made. Awesim uses thermal imaging cameras, pin and pinless moisture meters, digital levels and controlled dye testing to trace the actual water pathway rather than assuming the nearest visible symptom is the cause.

Blog

Building Defect Report vs Expert Witness Report: What Each Document Does in a NSW Dispute

August 14, 2026By Awesim

Bronze balance scales weighing construction documents against a legal file, with a gavel, hard hat, and blueprints in a judicial-office setting.

What Is a Building Defect Report?
- Why a General Defect Report Isn't Enough for NCAT or Court
What Is an Expert Witness Report?
- What an Expert Witness Report Covers in a Building Dispute
How the Two Documents Relate in Practice
- Scott Schedules: the Document That Sits Between Them
When You Need Each Document
What to Look for in an Expert Witness Consultant
A Note on Costs
Frequently Asked Questions

A building defect report records the condition of building work within an agreed inspection scope. An expert witness report goes further by explaining the expert’s opinions and reasoning for a dispute. Before commissioning either document, confirm its intended use, the issues to investigate and any NCAT or court orders.

A building defect report and an expert witness report are two distinct documents. They serve different purposes, carry different legal weight, and are prepared under different standards. Understanding that distinction before you engage a consultant is one of the most practical things you can do for your dispute.

What Is a Building Defect Report?

A building defect report is a general term for any document that identifies and describes defects in a property. These reports vary widely in scope and format depending on who prepares them and why.

A pre-purchase inspection report is one type. So is a defect notice prepared by an owner-builder, a condition report from a strata manager, or an informal assessment commissioned to get a clearer picture before deciding whether to pursue a claim.

Reports of this kind are useful for understanding what you're dealing with. They help you assess whether a dispute is worth pursuing, what remediation might cost, and whether you have a credible basis for a claim. What they are not designed to do is serve as evidence in formal proceedings.

Why a General Defect Report Isn’t Enough for NCAT or Court

NSW tribunals and courts have specific requirements for expert evidence. A report that doesn't meet those requirements may be given little weight by the decision-maker, or excluded entirely.

For NCAT matters, check Procedural Direction 3 and its Experts’ Code of Conduct, together with the orders in your case. NSW court proceedings may require compliance with UCPR Schedule 7. The report must address the requirements of the forum in which it will be used.

What Is an Expert Witness Report?

An expert witness report is a formal document prepared by a qualified expert whose primary duty runs to the court or tribunal, not to the party who engaged them. That independence is not just a professional standard — it is a legal requirement under the applicable expert witness code.

A compliant report must include specific declarations: that the expert understands their duty to the court, that the report reflects their honest opinion, and that they have not been influenced by the party retaining them. It must also set out the expert's qualifications, the facts and assumptions underpinning their opinion, and the reasoning behind their conclusions.

This structure matters because courts and tribunals rely on expert reports to resolve technical questions that fall outside the expertise of judges, tribunal members, and lawyers. A well-prepared expert witness report gives the decision-maker a reliable, independent basis for assessing defects, causation, and rectification costs.

What an Expert Witness Report Covers in a Building Dispute

In a construction dispute, an expert witness report typically addresses some or all of the following:

Whether the identified defects exist and what their nature is
Whether the work complies with the relevant Australian Standards, the National Construction Code, or the contract specifications
The likely cause of each defect
The appropriate method of rectification
The estimated cost of rectification

The report is grounded in a physical inspection of the property, a review of relevant documentation — contracts, plans, specifications, prior reports — and the expert's professional judgment. It is not a summary of the client's complaints. It reflects what the expert independently observed and concluded.

How the Two Documents Relate in Practice

These documents are not in competition. In many disputes, a building defect report comes first. You use it to understand what's wrong, assess whether the defects are serious enough to pursue, and prepare for the next step.

Once you decide to proceed to NCAT or court, you commission an expert witness report. The expert may review your earlier defect report as part of their background research, but they will conduct their own inspection and reach their own independent conclusions.

Think of the building defect report as the document that helps you decide whether to act. The expert witness report is the document that supports your case when you do.

Scott Schedules: the Document That Sits Between Them

In many NCAT proceedings, parties are required to prepare or respond to a Scott Schedule — a structured table that lists each alleged defect, the respondent's position on each item, and the estimated cost of rectification.

A Scott Schedule is not the same as either a building defect report or an expert witness report. It is a litigation management tool that organises the competing positions of the parties. That said, it is typically prepared alongside or with direct reference to an expert witness report. The expert's findings on defects and costs feed directly into the schedule.

If you are preparing for an NCAT hearing and haven't yet encountered Scott Schedules, it's worth understanding how they work before your hearing date arrives. Awesim's team at awesim.com.au prepares both expert witness reports and Scott Schedules for NSW proceedings.

When You Need Each Document

The right document depends on where you are in the dispute process.

You need a building defect report when:

You've noticed problems and want to understand their scope before deciding whether to pursue a claim
You're gathering information to send a formal defect notice to your builder
You want a cost estimate to assess whether a claim is financially viable

You need an expert witness report when:

You've received an NCAT hearing date
A solicitor has advised you that independent expert evidence is required
You are responding to a claim and need to rebut another party's expert evidence
The dispute has reached the District Court or Supreme Court

You may need both, plus a Scott Schedule, when:

Your NCAT proceedings are underway and the tribunal has directed the parties to prepare a Scott Schedule
The defects are complex and the parties' positions are significantly different

What to Look for in an Expert Witness Consultant

Not every building inspector is qualified to prepare a compliant expert witness report. The person you engage needs to understand the applicable expert witness code, have the technical qualifications to form opinions on the defects in question, and be genuinely independent.

Independence goes beyond having no financial relationship with the builder. It also means the expert is prepared to give an honest opinion even where it doesn't fully support your position. Courts and tribunals scrutinise independence closely, and a report that reads as advocacy rather than analysis will be treated accordingly.

Experience in the NSW jurisdiction matters too. Procedural requirements differ between NCAT, the District Court, and the Supreme Court, and an expert who has worked across those forums will understand what each decision-maker expects.

Awesim Building Consultants prepares independent expert witness reports and Scott Schedules for NSW building disputes. Glen Sim brings over 35 years of construction experience and more than 15 years of litigation support experience. Our Sydney and Tamworth offices support inspections across NSW. Read the checklist for briefing an expert.

A Note on Costs

The cost of an expert witness report in NSW typically falls between $2,000 and $10,000 AUD, with around $4,500 being a common figure for a straightforward residential dispute. That range reflects the complexity of the defects, the size of the property, the number of items in dispute, and the level of court or tribunal involved.

A general building defect report is usually less expensive, but it serves a different purpose. Spending less on the wrong document at the wrong stage is not a saving.

If you're unsure which document your situation requires, a free initial consultation with a qualified building consultant is a sensible first step before committing to any engagement.

Frequently Asked Questions

What is the difference between a building defect report and an expert witness report?
A building defect report records findings within an agreed inspection scope. An expert witness report also sets out opinions, supporting reasoning, assumptions and limitations for use in proceedings, addressing the applicable expert evidence requirements.

Can I use a building defect report as evidence in NCAT?
It may provide relevant factual evidence. Whether it is sufficient as expert evidence depends on its content, the expert’s qualifications and the applicable directions. A supplementary report may be needed to explain opinions, limitations and compliance with the relevant code.

Which expert witness code applies?
UCPR Schedule 7 governs expert evidence in relevant NSW court proceedings. For NCAT, check Procedural Direction 3 and the directions made in your case.

Do I need both a building defect report and an expert witness report?
In many disputes, yes. A building defect report is useful early in the process to understand the scope of the problem and assess whether a claim is viable. Once you decide to proceed to NCAT or court, you will need a compliant expert witness report. The two documents serve different purposes at different stages.

What is a Scott Schedule and how does it relate to these reports?
A Scott Schedule is a structured table used in NCAT proceedings to organise each alleged defect, the parties' positions, and estimated rectification costs. It is not the same as a defect report or an expert witness report, but it is often prepared alongside or with reference to an expert witness report. Many NCAT matters require parties to complete or respond to a Scott Schedule before the hearing.

How much does an expert witness report cost in NSW?
The market range is approximately $2,000 to $10,000 AUD, with around $4,500 being typical for a residential building dispute. Cost depends on the complexity of the defects, the size of the property, and the level of proceedings involved. Pricing for a specific matter is available on enquiry.

How do I know which document I need for my dispute?
The stage of your dispute and the forum you're heading toward are the main factors. If you haven't yet decided whether to pursue a formal claim, a building defect report may be sufficient for now. If you have an NCAT hearing date or a solicitor has advised you to obtain independent expert evidence, you need a compliant expert witness report. A free initial consultation with a qualified building consultant can help you identify the right document for your situation.

The distinction between a building defect report and an expert witness report is not a technicality. It determines whether your evidence will be taken seriously by the decision-maker. Getting the right document, prepared by the right person, at the right stage, is one of the most direct ways to protect your position in a NSW construction dispute.

To discuss your situation and find out which document your matter requires, contact Awesim Building Consultants at awesim.com.au or call 1800 293 746.

Awesim

Glen Sim is a highly experienced Building Consultant, Licensed Builder, Construction Consultant, and Expert Witness with more than 35 years of practical experience within the Australian building and construction industry. As the Founder and Director of Awesim Building Consultants, Glen has established a strong reputation throughout Sydney and regional New South Wales for providing independent, evidence-based building consultancy services and expert reporting for complex building and construction disputes.Beginning his career as an apprentice carpenter with TAFE NSW in 1990, Glen completed his apprenticeship in 1993 before progressing into senior construction and management roles across residential, commercial, and remedial building sectors. His extensive industry background provides him with genuine hands-on construction knowledge — something that distinguishes him from many consultants who have limited site-based experience.Glen became a Licensed Builder in Victoria in 2004 before returning to New South Wales in 2011, where he continues to operate under NSW Builder Licence No. 232673C. Over the course of his career, he has worked across all stages of the construction process, including carpentry, supervision, project management, contract administration, construction scheduling, defect rectification, quality control, and dispute resolution.Today, Glen is widely recognised for his expertise in:Expert Witness Reports Scott Schedules NCAT Building Disputes Construction Defect Investigations Building Defect Reports Quantum Meruit Assessments Construction Programming & Delay Analysis Client-Side Project Management Contract & Scope of Works AssessmentsGlen regularly assists homeowners, builders, developers, solicitors, strata managers, insurers, and commercial clients by providing technically detailed and independent reporting for litigation and dispute resolution matters. His reports are prepared with a strong understanding of the requirements of the NSW Civil and Administrative Tribunal (NCAT), court procedures, the Expert Witness Code of Conduct, the National Construction Code (NCC), Australian Standards, and accepted building industry practices. Over 15+ years experience providing litigation support with expert witness reports and Scott schedules. What clients value most about Glen is his practical approach, integrity, attention to detail, and ability to clearly explain complex construction issues in a manner that is easy to understand. His combination of trade-based experience, construction management knowledge, and investigative expertise allows him to identify issues that are often overlooked by less experienced consultants.Over the years, Glen has developed a reputation for producing thorough, methodical, and evidence-supported reports that clients and legal representatives can rely upon during negotiations, mediations, tribunal proceedings, and litigation matters. His commitment to accuracy, professionalism, and impartiality has made Awesim Building Consultants a trusted name in the building consultancy industry across NSW.Glen is also known for his strong commitment to client service, ensuring every matter is approached with professionalism, transparency, and genuine care for achieving practical outcomes. His experience across both metropolitan Sydney and regional New South Wales provides him with a broad understanding of differing construction methods, site conditions, workmanship standards, and project delivery challenges throughout the state.Outside of the construction industry, Glen values family life and regional Australia. He has been happily married to internationally recognised author Audra Starkey since March 2025. Together, they share a passion for supporting rural communities and building trusted professional relationships grounded in honesty and respect.With more than three decades of industry experience, Glen Sim continues to provide trusted building consultancy and expert witness services backed by real construction knowledge, independent assessment, and a commitment to helping clients navigate complex building matters with confidence.

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