Building and construction law

Williamson lawyers can assist you in relation to all your building and construction needs and issues. We service owners, owners corporations, developers, builders and sub-contractors alike.


We have access to the best experts and consultants when technical advice or expert opinion evidence is required.

We conduct litigation in all courts and tribunals. We handle disputes under the Home Building Act 1989 and the Building and Construction Industry Security of Payment Act 1999. We assist in settlement negotiations and mediations.

Some examples of the work we do:​


Preparation of contracts for residential, commercial construction works and projects including:

  • amendment and special conditions to all industry standard contracts;

  • prepare formal instruments of agreement;

  • contracts for remedial works and upgrade works to occupied residential strata buildings;

  • design & construct, lump-sum, cost-plus contract and construction/project management agreements.

Advise in relation to compliance with the Home Building Act 1989 including contracting, licensing disclosure and claiming requirements.

Assist in relation to pre-litigation dispute resolution via settlement negotiation, mediation and expert determination.

Advise and provide assistance in relation to breach of contract, repudiation of contract and termination of contract.

Preparation of contractual notices such as notice of suspension, notice to show cause, and notice of termination.

Advise in relation to building defects and preparation of settlement deeds and rectification agreements.

Building and Construction Industry Security of Payment Act 1999 (SOPA) disputes:


  • payment claims and payment schedules;

  • adjudication applications and adjudication responses;

  • conduct court proceedings, to claim as a debt due or set aside adjudication determination.

Advise in relation to insurance claims and licensing issues.

Conduct of litigation in all manner of construction disputes.