Build Smarter
A suite of free tools to help you plan, estimate, and assess your construction project — all powered by NZ building standards and Wellington-specific data.
Build Cost Estimator
Get a preliminary build cost estimate in under a minute. Adjust project size, terrain difficulty, and finish level — instant NZD range with breakdown.
Site Pre-Assessment
Interactive map with terrain classification, wind zone analysis per NZS 3604, council determination, and consent requirement checklist.
H1 Insulation Checker
NZBC H1/AS1 compliance check for your Wellington property. Check roof, wall, floor, and window insulation against current standards.
Site Consultation
Book a professional site consultation. Our Licensed Building Practitioner visits your property, assesses feasibility, and provides a scope of works.
Aerial Drone Audit
CAA-certified drone inspection of your site or property. High-resolution aerial imagery, storm readiness assessment, and asset documentation.
Client Portal Demo
Experience the Harbourline client portal with a pre-seeded demo project. Track milestones, view site photos, and message your build team.
Not sure which tool is right for you?
Speak directly with our Wellington-based hillside specialists.