hole in floor

Hi, We had a big flash flood and a hole has opened up in the floor at the edge of the house -outside (see photos). Luckily no water entered the house. Two of our block paving bricks seem to have disappeared down the hole (house was built in 1987) Any thoughts on how I should repair? Should I be...

Hi guys, wondering if you could help, we had really bad issues with builders when we knocked down a wall which was cupboards and they rebuilt it. Now we have said we will do it ourselves but where the cupboard was there is a hole in the floor with a pipe coming through and we have no clue what...