The slabs were always level but now
gradually rise up by the new drain supported by concrete. It looks very messy and I do worry what happens if the concrete gives way. I'm a
pessimist I know
After having a soakaway for many years for my conservatory (clay soil led to garden often flooding), I have had a downpipe fitted which drains into new underground drainage pipes and connects up with the drain from kitchen sink. This was OK'd by the council as I have a combined system. I have...