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Minimum base sizes
Summerhouse 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 width and the second dimension is the depth. The width refers to the angled gable wall. The minimum base sizes below include the verandah with 1200mm added to the length.
10' WIDE SUMMERHOUSES
10'x10' minimum base size 3.0m x 3.0m (9'10" x 9'10"")
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 13'10")
10'x16' minimum base size 3.0m x 4.8m (9'10" x 15'10")
12' WIDE SUMMERHOUSES
12'x10' minimum base size 3.6m x 3.0m (11'10" x 9'11")
12'x12' minimum base size 3.6m x 3.6m (11'10" x 11'10")
12'x14' minimum base size 3.6m x 4.2m (11'10" x 13'10")
12'x16' minimum base size 3.6m x 4.8m (11'10" x 15'10")