I would not be opposed to hearing some assessments here and there. :)
I already did that yesterday :confused:
Is construction power and toilet included with other companies?
Yes, often. Construction toilet, construction power box not, but consumption (including water), container... with you the container is also missing as well as the construction access road.
...
60€ per single socket is not uncommon.
But the craftsmen in Lower Saxony are simply in the flow of the Lower Saxony economy and not in that of Rhineland-Palatinate, North Rhine-Westphalia or Bavaria.
They are still quite reasonable.
As a tip I can add here, everything that is already determined beforehand as an upcharge, such as electrical planning (additional sockets, ceiling spots and co): include it in the contract before signing at an agreed price,
The construction service description provides to arrange all extras with the craftsman.
We built in 2013 and for the electrical work actually only had more sockets, two-way switches, LAN for 4 rooms, exterior lighting on the house and laid two empty conduits towards the garage and garden. A total additional effort of about 3000€ ...