Connection of the parcel to the various utilities (water, electricity, gas, etc.) is the responsibility of the purchaser, who must directly contact the various concession companies.
Find a distribution network manager, as well as an electricity or gas supplier (Link to the Synergrid site)
Managing connection for water (Link to the Aquawal site)
The presence of gas lines on and/or in the immediate vicinity of your site requires adherence to the very strict specific requirements imposed by FLUXYS. It is absolutely imperative to become aware of these requirements.