Above retaining wall is on slightly sloping land
indicating a new step up level of blocks
would be required about every 8th block.
The height is up to 500 ML.
It is…

I agree Landscaper seems the most appropriate.

Is it a fence shared with a neighbour?
If so, it may be necessary to discuss it with your neighbour.
Ask the council because there may be issues re privacy.
In my council…

In NSW in my shire it is
not permissable to build up the soil level
against a neihbouring fence.
If a complaint is made,
the council will arrange for an inspection…