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Minimum base sizes
Summerhouse
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 depth and the second dimension is the width (the depth refers to the sloping wall)
6'x12' minimum base size 1.8m x 3.6m (5'11" x 11'10")
6'x14' minimum base size 1.8m x 4.2m (5'11" x 13'9")
6'x16' minimum base size 1.8m x 4.8m (5'11" x 15'9")
8'x12' minimum base size 2.4m x 3.6m (7'10" x 11'10")
8'x14' minimum base size 2.4m x 4.2m (7'10" x 13'9")
8'x16' minimum base size 2.4m x 4.8m (7'10" x 15'9")
8'x18' minimum base size 2.4m x 5.4m (7'10" x 17'9")
8'x20' minimum base size 2.4m x 6.0m (7'10" x 19'8")
10'x12' minimum base size 3.0m x 3.6m (9'10" x 11'10")
10'x14' minimum base size 3.0m x 4.2m (9'10" x 13'9")
10'x16' minimum base size 3.0m x 4.8m (9'10" x 15'9")
10'x18' minimum base size 3.0m x 5.4m (9'10" x 17'9")
10'x20' minimum base size 3.0m x 6.0m (9'10" x 19'8")
12'x14' minimum base size 3.6m x 4.2m (11'10" x 13'9")
12'x16' minimum base size 3.6m x 4.8m (11'10" x 15'9")
12'x18' minimum base size 3.6m x 5.4m (11'10" x 17'9")
12'x20' minimum base size 3.6m x 6.0m (11'10" x 19'8")