Engineering journal

Guides for people about to build

Materials, costs, approvals and design — written by our engineers, checked against what we see on site.

Costs & PlanningOct 14, 2026

Current per-sq-ft rates for Essential, Premium and Luxury builds — plus a worked example for a 30×40 G+1 home.

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Construction MaterialsSep 20, 2026

OPC 43, OPC 53 and PPC explained — which to use where, and how to check bags on delivery.

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