Installation of green sedum or extensive planted roofs on flat roof structures. Covers waterproofing, root barrier, drainage layer, growing medium, and planted sedum mat.
Typical cost
£6,500 — £12,500
Typical duration
1-2 weeks
Scope type
flexible
Typical tasks
Install robust waterproofing membrane
Apply root barrier layer
Install drainage and filtration layers
Add growing medium to design depth
Lay sedum blanket and establish plant coverage
Extras & additional works
Based on a standard 3-bed semi-detached house roof of approximately 60m². Costs may increase if scaffolding is required or for complex access arrangements.
Common questions Stainesai
A green or sedum roof is a type of roof that is partially or completely covered with vegetation, such as sedum plants, over a waterproofing membrane.
The price can be affected by the size of the roof, the type of vegetation used, access difficulty, and whether additional features like drainage systems are needed.
Yes, green roofs must comply with UK Building Regulations, particularly regarding structural integrity and waterproofing standards.
Installation typically takes 1-2 weeks, depending on the size and complexity of the roof.
Yes, regular maintenance is necessary to ensure plant health and system functionality. Always confirm with your tradesperson before work begins.
Ready to post a green & sedum roof installation job?
Describe what you need. Stainesai structures it into a proper scope. Your first job post is free.