Polytunnel Growing for Australian Market Gardeners

Polytunnel vs Greenhouse: The EconomicsA commercial-grade greenhouse with polycarbonate panels costs $50–$150 per square metre of growing space. A well-constructed polytunnel costs $10–$25 per square metre — a 6–15 times cost advantage. For a market gardener needing 100–500m² of protected growing space, this difference is decisive. Polytunnels typically last 5–10 years before the film requires replacement (a $500–$2,000 re-cover cost for a medium tunnel).Structure Design for Austr…