400€? then either without material costs or foundation or something similar. Or the hourly rates were, for whatever reasons, significantly lower than usual.
No. Granite paving costs around 90 euros per sqm in our area from all landscaping contractors and the substructure around 10-12 euros up to 20cm thickness. In this respect, the square meter of our platform is about 4 times more expensive than comparable work. Apart from the pillars all around, it is almost the same.