Incentives and subsidies
Local authority subsidies are still rare and/or little publicised.
Consult the objectif eco habitat website for useful information: it lists local authority schemes in favour of environmentally friendly housing.
The Regional Council of Ile de France provides aid for the installation of green roofs and offers grants for the creation of green roofs of €45/m2 subject to certain conditions
The Department of Hauts-de-Seine subsidises green roof projects up to 48 Euros/m² for a maximum pre-tax cost of 60 Euros/m². (download an application form)
For more information