Expert Witness

Sydney Building Consultants, led by Joseph Alexander Ovidi, is a specialist building consultancy based in Sydney, providing independent, technically robust advice on building defects, construction quality and litigation matters across the residential and commercial sectors. The firm is engaged by homeowners, builders, strata managers and law firms seeking clear, objective opinions on the condition, performance and compliance of residential and commercial buildings.

Accreditation and professional standing

Sydney Building Consultants are accredited building consultants with both the Australian Society of Building Consultants (ASBC) and the Master Builders Group Building Consultants. These accreditations reflect strict entry criteria, formal assessment, peer review and ongoing professional standards, giving clients confidence that their consultant has the necessary technical competence, industry experience and professional integrity. The Australian Society of Building Consultants is recognised as a leading independent professional building consultant organisation in NSW, with accreditation reviewed regularly against rigorous benchmarks of knowledge, experience and ethics. Membership and accreditation with ASBC and the Master Builders Group Building Consultants signify that Sydney Building Consultants operates under recognised industry codes, maintains up‑to‑date knowledge of building codes and standards, and is experienced in providing reports for disputes, NCAT proceedings and court matters.

Leadership: Joseph Alexander Ovidi

The principal, Joseph Alexander Ovidi, is an accredited senior (Grade 1) building consultant and accredited expert witness with more than 32 years’ experience in the building and construction industry. His background spans hands‑on construction, supervision and defect rectification through to specialist consultancy and expert evidence, giving him a practical understanding of how buildings are designed, constructed and maintained in the real world. Over his career, Joseph has worked across a wide range of residential and commercial projects and, for more than two decades, has focused on building consultancy and expert witness work. He regularly assists owners, builders, strata managers and lawyers to diagnose building defects, understand their causes and consequences, and develop practical rectification strategies that align with relevant standards and statutory requirements. Joseph is also a JP (NSW), reflecting his standing in the community and his commitment to professional and ethical practice.

Expert witness and litigation support

Sydney Building Consultants regularly prepares expert witness reports for NCAT and all court jurisdictions, addressing building defects, incomplete or non‑compliant work, methods of rectification and cost estimates. These reports are structured to meet the formal requirements of tribunals and courts and are written in clear, concise language so that complex technical matters can be readily understood by non‑technical decision‑makers. Joseph is familiar with the expert evidence requirements and codes of conduct that apply in tribunal and court proceedings, including the need for independence, impartiality and transparency in all opinions expressed. He structures his reports and Scott Schedules so they can be readily relied upon by the tribunal, the courts and the parties’ legal representatives, assisting in narrowing issues, clarifying areas of agreement and disagreement, and supporting efficient resolution of building disputes.

Services and methodology

Sydney Building Consultants offers a broad range of services, including: building defect inspections, pre‑purchase and special‑purpose inspections, invasive investigations, progress and completion inspections, contract and scope reviews, and comprehensive litigation support. Each inspection is tailored to the specific purpose of the engagement, whether that is identifying defects before purchase, documenting defects for a dispute, or verifying the quality and completeness of building works at handover. All opinions are provided independently and in a professional, evidence‑based manner, with clear photographic records, detailed descriptions of defects, references to relevant standards where appropriate, and practical recommendations for rectification tailored to the particular building and contractual context. Joseph places strong emphasis on clarity and transparency, ensuring that clients and their legal representatives understand not only what is wrong with the building, but why it matters and how it can be rectified in a cost‑effective and compliant way.

Supporting law firms and complex disputes

Joseph Alexander Ovidi JP NSW leads the consultancy’s litigation support work, assisting major law firms in Sydney to achieve a clear understanding of building defects and construction issues in contested matters. By combining deep technical knowledge with extensive expert witness experience, he helps legal teams frame their cases, prepare effective evidence and negotiate or litigate from a position of informed strength. Whether the dispute involves water ingress to a single dwelling or systemic defects across a large multi‑unit development, Sydney Building Consultants provides independent, technically sound and well‑reasoned evidence that supports fair and efficient outcomes in negotiations, mediations, tribunals and courts.