DIY Doctor UK DIY Forums

hi guys had conservatory built fine .i now want to constuct patio area my self. the sze is 12x15 the thing is the level i have taken is 2course below door and it slopes on both sides down one course below level.can some one tell me how deep i dig down to lay fondation bed and how much to use and do i also use sand on top of fondation bed and how do i bring my level up with no step . i will be very grateful for any advice on this matter :?

See the projecvt on building a driveway or path.