New paving installed - Advice required

[forbesk]

Just had my driveway monoblocked and it looks very nice however I have a few concerns . I have contacted the Contractor and have now been waiting for two weeks for him to come and inspect my concerns.
The wall at the house does not run straight and therefore the soldier paving has gaps ranging from 2MM – 10MM these have been packed with dry kiln sand but I have noticed that the wall now has water marks all the way along (which it did not have before when there was stone chips there) Im guessing it is the moisture from the wet sand that is being absorbed into the render, the water marks do not reach the air blocks but is not far from them, I pointed this out to the contractor and asked if these gaps should not be filled with mortar he has told me that this will not do any damage and that he always uses sand but I am concerned that the render will eventually become unstable, loosen and blow is there any cause for concern and also is there anything I can do to stop this. It is also the same at the side of the house where there is a path between house and garage each side has 2mm – 10MM gaps. I have also noticed some of the soldier paving is lifting at the side of the house
The contractor also cut the pavement at the entrance of the driveway (about 6 inches wide and replaced with concrete this has started crumbling and flaking away after we had some ground frost. Will this need to be excavated and replaced.
The Driveway is a 45 Herringbone pattern but some of the Cut blocks are really small less than 1/3 of the brick which I know cannot be avoided but some of them have broken I do not know if they were like that at installation or if it was after the car was driven into driveway. Is it worth getting these replaced or will this keep happening as they are so small

[GB_Groundworks]

see this page half way down inboard cutting

http://www.pavingexpert.com/blockcut.htm

it can be avoided and should be avoided,

Rule 1 - Ideally, all cut blocks should have at least 3 uncut edges. This is not always possible, notably when the orientation of the cuts is shifted through 90°
Rule 2 - Each cut should be not less than one-third of a block, unless there is no other way of piecing-in.

as for the render, you dont want it sitting in water as it will likely blow out with frost, it wants mortaring in and the path should be falling away from the house slightly to allow the water not to sit against the wall