Planning for a single-family house

Not just a user, but a moderator. :D

That's what I meant :p

Hello and good evening,

what is the best procedure for involving the instances? What should be done first? What needs to be done? Who is involved in such a house construction?
- Bank
- Architect
- Authorities
- Companies
....


Regards

I am also just calculating back and forth and can offer you the following breakdown. Please sum up the costs for:

Land
House (get prices from developers)
possibly additional insulation package
Solar package
Ventilation package
Underfloor heating
Parquet ground floor
Carpet upper floor
Electric blinds
Painter extra wishes
then subtotal

Notary 1.8%
Property tax 4.5%
Land traffic regulation
Preliminary registration
Land register
Building permit
Connection gas, water, electricity
Removal of topsoil
Soil report
Telephone connection
Cable connection
Land surveying
possibly tree felling costs
Construction electricity and construction water
Fence
Garden + paving
Carport
Kitchen