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COVID-19 CORONAVIRUS INFORMATION - We are taking online orders as normal, as encouraged by the government. Many stock products are delivered within a few days. Other products are made to order, typically within 4-6 weeks. Some services are slower than normal due to unprecedented volumes of orders and enquiries. Our Show Centre is temporarily closed. We may not answer all emails and phone calls at present. Telephone lines are open 10am-4pm (Monday-Saturday) until we can resume our normal service. For more information CLICK HERE.
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Minimum base sizes

12ft 9in wide Greenhouses - External Base Sizes

Minimum base sizes

We recommend that your base should be no smaller than the minimum base size listed below and no more than a few inches larger.

The first dimension listed is the external width and the second dimension is the external length. The width refers to the angled gable wall.

12'9" x 6'6" GREENHOUSE
Minimum external base size 3877mm wide x 1987mm long

12'9" x 8'7" GREENHOUSE
Minimum external base size 3877mm wide x 2606mm long

12'9" x 10'7" GREENHOUSE
Minimum external base size 3877mm wide x 3236mm long

12'9" x 12'8" GREENHOUSE
Minimum external base size 3877mm wide x 3866mm long

12'9" x 14'9" GREENHOUSE
Minimum external base size 3877mm wide x 4507mm long

12'9" x 16'10" GREENHOUSE
Minimum external base size 3877mm wide x 5126mm long

12'9" x 18'11" GREENHOUSE
Minimum external base size 3877mm wide x 5756mm long

12'9" x 20'11" GREENHOUSE
Minimum external base size 3877mm wide x 6386mm long

12'9" x 23'0" GREENHOUSE
Minimum external base size 3877mm wide x 7027mm long

12'9" x 25'1" GREENHOUSE
Minimum external base size 3877mm wide x 7646mm long




We are currently taking online orders as normal, as encouraged by the government.