Installing a Greenhouse

Chelsea O'Shea

Garden structures can come in a range of sizes, suitable for different budgets and cultivation setups. There are three general types of garden structures:

· Tiered standing units

· Open units

· Enclosed units

Tiered standing units

These units are most appropriate for beginners – they are small, movable, easy to setup, and handle a smaller number of plants. Prebuilt unit costs range between $30-$100 depending on size and material type. There is very little climate control and irrigation systems that can be used because of the small size, so one of the drawbacks is the more active care in maintaining the right conditions for the plants inside.

Open Units

These units are larger versions to the tiered standing units, allowing internal access (able to walk-in). These units are constructed from clear plastic or shadecloth like other structure types but differ in having large open (or predominantly open) vents or doorways to maximise air flow. Open units’ range in price starting from around $300 – $700. Positioning and placement of open units needs to be carefully considered because unlike tiered units that are movable, open units do not offer great protection from the elements.

Enclosed Units

These units are the largest, most expensive option but also the most viable for the experienced gardener – and are generally the typical representation of a ‘greenhouse’. Greenhouse variations often come with 6-10mm Polycarbonate structural support, while shadehouses can be constructed from traditional metal poles. Depending on the size and whether the unit is a shadehouse or greenhouse greatly influences the cost. Some common sizes are priced at:

Many units are available up to 14m wide x 14m long (with the upper price range nearing $9,000) but can also be customised to a specific size. These units are ones which can (and often are) be kitted with irrigation and/or temperature control systems – both of which can add up to a further $2,000 to the overall cost.

There are a range of suppliers available to source materials, equipment, kits, or prebuilt structures from including these notable ones:

Australian company which supplies and delivers greenhouse units and DIY kits, and other greenhouse products including materials and equipment. They offer customisable dimensions / specification options on selected products. This company is completely online but is also contactable on 1300 651 671

Australian company based in Western Australia offering national delivery and installation of greenhouse units, products or specialised controlled environment systems.
Contact 1800 006 711

Australian company providing installation, support and servicing for commercial greenhouses. Sites located in Queensland, Victoria, New South Wales, South Australia and Tasmania.

Bunnings warehouse
Thousands of stores available across each State/Territory with a large accessible online catalogue. Products are suited to basic-budget, DIY projects or advanced kits for the more experienced gardener, with prices averaging $50 – $4,000.

Things to be mindful of

Pests & Diseases

Regardless of garden structure choice, there is no guarantee of total protection from horticultural pests and diseases. It is important to consider appropriate prevention and treatment measures to protect each plant.

Maintenance & Upkeep

No greenhouse or other garden structure should be left without regular care and maintenance. Particularly with enclosed greenhouses where moisture builds up – pools of condensed water can create rusting, tears, or allow mosquitoes and other insects to breed. Similarly, undisturbed decomposing debris and soil can house beetles and other pests which will target the plants. Regular cleaning of the structure can reduce these issues.


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Chen, A. (2019, July 1). Difference between shade and green houses? Clear up the confusion here. Retrieved from C-Mac Industries Pty Ltd:
Greenhouse Emporium. (2019, April 12). 42 Easy tp Grow Greenhouse Plants for Beginners. Retrieved from
Landera. (n.d.). Blog (Articles abour our products). Retrieved from
Queensland Building and Construction Commission. (n.d.). Greenhouses. Retrieved from
Vinje, E. (n.d.). Greenhouse Gardening 101. Retrieved from Planet Natural Research Center:
Volente, G. (n.d.). Best Vegetables to Grow in a Greenhouse. Retrieved from Greenhouse Today:
Waterworth, K. (2019, July 16). Best Greenhouse Plants: Good Plants To Grow In A Greenhouse. Retrieved from Gardening Know How:
Wendy. (2019, November 24). Make your own greenhouse – a microclimate in your backyard. Retrieved from my green australia:

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