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Minimum base sizes
Lean to greenhouse, 6ft projection
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 projection (A) and the second dimension is the external length (B). The projection is measured from the existing building.
6'6" x 4'5" GREENHOUSE = minimum base size
Dimension A = 1960mm (6'6") External projection
Dimension B = 1346mm (4'5") External length
6'6" x 6'6" GREENHOUSE = minimum base size
Dimension A = 1960mm (6'6") External projection
Dimension B = 1977mm (6'6") External length
6'6" x 8'6" GREENHOUSE = minimum base size
Dimension A = 1960mm (6'6") External projection
Dimension B = 2606mm (8'6") External length
6'6" x 10'7" GREENHOUSE = minimum base size
Dimension A = 1960mm (6'6") External projection
Dimension B = 3236mm (10'7") External length
6'6" x 12'9" GREENHOUSE = minimum base size
Dimension A = 1960mm (6'6") External projection
Dimension B = 3866mm (12'9") External length