They are recognized as a bench mark set of guidelines for green roofs in germany.
Green roof planning permission.
If you need building regulations approval.
Planning permission for green roofs.
Whether there are any specific planning policies guides relating to green roofs.
In most cases where green roofs are installed on existing buildings planning permission is not required.
Having said that it is always a good idea to check with your local council before you go ahead and carry out any major external renovation particularly if you live in a conservation area or own a listed building.
In general a replacement roof or retrofit does not need planning permission before it can be carried out and installed.
If you need planning permission for a green roof.
However it is always advisable when making any kind of alteration to a building to contact your local planning department.
Indeed planning lawyers advise that alterations in planning regulations in the cbd may result in developers using green roofs as a key part of planning applications.
It may be possible to retrofit green roofs on certain buildings without planning consent although the planning authority should be consulted if there is any doubt.
There may well be good reason therefore to allow a green roof where height or other restrictions prohibit other development.
Designing green roofs in a development may gain support which can help to secure planning consent.
Before you plan your green roof you might want to contact your local planning office or a reputable installer to find out.