Oh bummer as I need stuff more LG’s do not have shameNot that I know of, the only places with that much hardscape are generally wholesalers.
ALF stock hardscape in similar quantities. However, they are staunch supporters of the high street bricks and mortar shops so they will not sell to the public or even businesses with online presence only.
Been on hols, back nowHave you spoken to you lfs re a custom order?
Given photos, measurements (& a downpayment) they may be able to order in