ᐅ Maintenance Costs Green Roof – Flat Roof or Single-Slope Roof for a Single-Family Home

What annual costs can be expected for the inspection and maintenance of an extensive green roof (flat roof or low-pitched shed roof) on a single-family house (approximate range)?

Our neighbors have vegetation on their flat roof dormers. There are plants on them that require no maintenance.

Once or twice a year, you need to climb up to check if the drainage is still clear. If there are many deciduous trees near the house, the effort increases. Without trees, it decreases.

In my opinion, this can also be done by yourself, provided you are not afraid of heights and have a sturdy ladder that can be safely positioned. Depending on the height and other circumstances...

You could ask a roofer for a non-binding quote on how much an annual inspection would cost.