Request
01
Site plan 1:100 / 1:200
with complete land and building

02
Heat demand
For new construction: heat requirement certificate according to GEG complete
In the case of refurbishment: refurbishment roadmap and implementation aid with details of the package of measures that will be implemented
In case of heating system replacement: previous energy consumption of oil/gas/electricity per year

03
Drainage plan
1:100 / 1:200

04
Subsoil expertise
if available
