Here's a seemingly random question - how much of your slab is visible above the ground once your brickwork is done?
Mine is really quite high, showing about 200mm of concrete above the ground, and this seems odd to me. It also leaves me with quite a big step from my back door and alfresco area.
Here's an awful photo of what I mean:
How typical is this, should I be concerned, and has anybody else hit this problem before? If so, how did you deal with it?