What are green roof costs in 2026?
Green roof costs in 2026 average between €41.90 and €65 per m² for a do-it-yourself package. If you have a green roof professionally installed, the total cost is usually between €55 and €90 per m², depending on the system chosen and the roof construction.
The exact price depends on:
The type of sedum package
The size of the roof
Additional materials such as root resistant liner or gravel edging
Install yourself or have it installed
Possible subsidy
What are the green roof costs?
The cost of a green roof averages between €41.90 and €61 per square meter, including under materials and VAT and excluding construction. This price depends on factors such as the type of sedum package and any additional materials such as a root-resistant foil. For maintenance you only need to fertilize the roof, this costs for a roof of 20m2, 24,95 per half year.
Request a free quote to see exactly how much a green roof will cost in your situation.
Ways to keep the cost of a green roof low
Lay your own green roof! The best way to build a green roof inexpensively is to build the green roof yourself. This is easier than you think! How to do it. At Sedumworld.com we sell packages that are specifically designed to install yourself. This consists of 3 layers.
Order at Sedumworld; We offer the lowest price guarantee in the Netherlands. So you can be sure that you have the best sedum for the lowest price.
Apply for subsidies; Many municipalities in the Netherlands give subsidies on green roofs. They do this because a green roof collects a lot of water and thus reduces the pressure on the sewer system. This can be a significant amount and can go up to 30% and 80% of the total amount. Check out our subsidy page here.
Regular maintenance, To keep your green roof healthy we recommend maintenance 2/4 times a year. This means fertilizing in spring and fall, removing weeds, cleaning drains, replacing dead plants and sowing cuttings if necessary. Also, don’t forget to water during dry periods. This will extend the life of your green roof and minimize future costs.
Buy manure in bulk, By ordering manure for the whole year it is cheaper per kg and you save on shipping costs. This is best ordered at Sedumest.co.uk
Join an online community (free), an online community shares tips and tricks for green roofs. For example, there is a whatsapp community, but there are also online ones. You can also follow accounts on instagram that are working on green roofs.
Do it together with your neighbors!, When you order together with your neighbors you can often negotiate a price better. You also share the expensive shipping costs (85,-).
DIY vs. having it done: what costs more?
Building a green roof yourself is a many cases attractive because of the lower costs. With a do-it-yourself package, you can quickly save several hundred euros. Do it yourself or have it done? Read more here.
Still, there are risks: You can cut through the roof which can lead to leaks. Often it is physically demanding and carries risks. But according to the owner of Sedumworld Daniel, it’s easy for most people to do, as long as they work safely and responsibly. It’s even a fun project. See how to build a green roof yourself here. Professional construction costs more, but offers security and warranty. Plus, the process is faster and you can be sure that your roof will function optimally.
Are there any subsidies or tax breaks?
Good news: in many municipalities you can still get a subsidy for a green roof in 2026. The amounts and conditions vary by region, but on average you can count on €20 to €30 per m² of subsidy. In addition, a green roof can contribute to a better energy label, making your home more valuable. Sometimes there are also extra tax benefits or schemes when you invest in sustainable measures. Always check with your municipality to see what opportunities are available.
Green roof cost per m² (2026 overview)
Lightweight
sedum package
This is our lightweight sedum package for all roofs around the house such as a gazebo, shed, extension, garage and more.
- Water retention capacity 30 to 40L/m²
- For any flat roof around the house
- Easy to install yourself
- 3 layer package
Sedum
cassettes
These are our lightweight sedum cassettes for all roofs around the house such as a gazebo, shed, extension, garage and more.
- Water retention capacity 30 to 40L/m²
- For any flat roof around the house
- Quick / easy to install yourself
- 2 layer package
Biodivers
package
This is our biodiverse package for your solid flat roof! It consists of 4 layers and is easy to install yourself.
- Water retention capacity 70L/m²
- For solid flat roofs
- Is self-installing
- 4 layer package
What are the maintenance costs of a green roof?
You keep keep the maintenance costs of a green roof low by doing timely maintenance. To fertilize a 20m² roof costs €24.95 every six months. Watering costs nothing when you purchase a rain barrel. In this way keep your green roof costs down.
Fertilize: Use manure specially developed for sedum, these have the optimal composition for these plants to grow as sturdily as possible. There is also lime in the fertilizer which means moss has less chance.
Watering: During long periods of drought, water your plants. You can recognize this by the red color. Keep the cost of this as low as possible by purchasing a rain barrel and connecting it with a rain barrel pump and drip system.
What are the economic benefits of a green roof?
A green roof costs money, of course, but it can also save money! Below are economic benefits that can make sedum cost efficient in the long run.
- Energy efficiency: Sedum roofs insulate buildings better, which can lead to lower energy costs for heating and cooling.
- Solar panels perform better: The cooling effect of sedum keeps your solar panels at a lower temperature. This makes them work more efficiently and generate more energy.
- Roof life: A green roof protects the roofing material from UV radiation and extreme temperatures, which significantly extends the life of the roof.
Frequently Asked Questions
We assume that if two adults can stand on the roof, the roof is strong enough for our lightweight system, this system weighs only 45 kg/m2 saturated and is therefore suitable for almost all roofs around the house. However, this is not a guarantee. If you want to be sure, we recommend that you hire a structural engineer to check the roof.
A green roof has both ecological and economic benefits. Check out our page for this here.
After delivery, you can store the sedum mats rolled up for up to two days in cold weather. In warm weather, a maximum of one day. It is important to store sedum mats in a cool, dry place, directly out of the sun. You can also temporarily unroll and water the mats if you can’t handle them right away. For more information on caring for sedum mats, click here.
Installing a green roof is easier than you think! Using our instructional videos and additional tips, it won’t take more than a few hours! You can watch them here.
Want to learn more about green roofs?
All the benefits of a green roof
Get a good start on your green roof! We show you step by step what to prepare and what to watch out for.
All about green roof maintenance
A green roof is nice and low-maintenance, but it does need some attention from time to time. Here’s what you can do to keep it beautiful and healthy.
Even install a green roof?
Get a good start on your green roof! We show you step by step what to prepare and what to watch out for.
Also excited about green roofs?
Request a quote and discover the possibilities!
