Joined: July 2004
||Posted: 29 Aug. 2018,10:10
The answer to all your questions is essential no.
The installation cost should not be significantly different. Ther could be more cutting involved that some orthogonal patterns, but it shouldn't be more than, say 100 quid...depending on the size of the project, of course.
Asa for structural integrity, again, scale is important, but generally speaking, for typical residential driveways, a circular layout provides adequate interlock and none of the continuous straight lines that are a major contributor to instability.
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