Quite.
Another few tips.
For the granite, you will also find that the price is affected by the blend of colours. We found one which is predominantly black but with crystalline silver-grey and quite subtle but rich blue under certain lights.
Try to borrow pieces of your chosen type and put them in the room for a bit, together with a cupboard door to get an idea of the final effect.
For the floor, it is worth buying a few pieces of slate of different types - two of each should be enough. It is worth looking at different sizes as well, but do try them in the room. We wanted something that would work for the kitchen and adjoining conservatory and settled on 600x400mm. This allows you to have fairly wide grouting which looks better with the uneven slate but without being massive.
We also played around with different floor finishes. I don't like highly glossed floors because they look like plastic. On the other hand, a matt or satin finich can look quite dull. Eventually we settled on products by Lithofin which are excellent, albeit a little expensive. However you don't much at all so it is likely to be something like one £30 container. We found that two coats of a silicone sealer (which dries just above matt) and a colour enhancer produced rich colours without making the final result look artificial.
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