estimation ltd is a family operated business which offers personal service at a reduced cost when compared to the bigger corporate consultancies


We place particular emphasis on experience, expertise, reliability and quality. The assurance of quality is fundamental for all consulting we undertake. 

Professional Organisations & Associations​

Our team members are current members of the New Zealand Institute of Quantity Surveyors (NZIQS). The NZIQS is the professional organisation for quantity surveyors, estimators, cost managers and cost consultants in the construction industry. The NZIQS encourages quantity surveying best practice and promotes the highest ethical standards for the profession. 



 NZGBC is an organisation dedicated to accelerating the development and adoption of green building practices. In addition to this, both Julie Pengelly & Derek Smith are Green Star Accredited Professionals (GSAP). GSAP's help ensure that the Green Star process is a smooth, cost-effective and rewarding experience for all involved in the project.