We wanted somewhere for some wildlife to have bees etc 3.
Living roof construction costs.
I liked the idea of having a bit more greenery in the property we live in central london 2.
The biggest disincentive for the use of green roofs is the up front costs.
A properly designed and installed extensive green roof system can cost 108 248 m 2 10 23 sq ft while an intensive green roof costs 355 2 368 m 2 33 220 sq ft however since most of the materials used to build the green roof can be salvaged it is estimated that the cost of replacing a green roof is generally one third of the initial installation costs.
As a guide prices can vary from 50 m for a sedum roof to 200 m for a fully planted intensive roof the cost of any reinforcement needed to the roof and or wall structures is additional to this.
The cost will vary with the green roof system and the particular situation.
Why not living roofs.
The process of growing living plants on the roof of a home or building has been shown to dramatically decrease cooling costs for the building while enhancing stormwater management and air quality for the area.
Known as living roofs eco roofs and vegetated roofs green roofs offer many benefits to the user.
The cost of materials for a basic 3 tab 25 year shingles could range anywhere from 150 to 200 per square for all the necessary materials.
A green roof can cost between 10 and 20 per square foot which is dramatically more expensive than your standard 1 20 square foot shingle.