Kaipūkahanga Hanganga

Structural Design &
Seismic Assessment

From first principles to final bolt, technical excellence and practical design detail align for safer, stronger buildings.

BTW’s structural engineering consultants design safe, buildable solutions for new buildings, alterations and strengthening. We also provide seismic assessment, earthquake-prone building assessments, and site supervision to support delivery across New Zealand.

Why choose this service:

Code compliant, right sized design that meets standards without over-engineering
Practical details that build smoothly and reduce cost on site
Fewer variations through integrated planning and technical delivery

Our team works on both new and existing buildings, including alterations and seismic strengthening projects. We combine hand calculations with modelling to provide efficient designs, and can support you on site through observation and construction review. This ensures structural solutions are practical, compliant and ready for safe delivery.