Green Roof Requirements London

A league table of green roofs cities around the world in terms of density of green roofs per urban inhabitant.

Green roof requirements london.

Excellent architecture and urban design is required if. These issues are addressed below as general considerations where green roofs are either planned or already installed. The industry was demanding solutions that combined the contractor needs for ease of installation with owner requirements for sound long term horticultural performance. The report features the first complete map of green roofs in the whole of london.

Our green roof map below shows there are around 700 green roofs in central london alone covering an area of over 175 000m2. That s 17 5 hectares or around 25 football pitches. Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs and require minimal maintenance. There are two types of green roof.

That product is the liveroof hybrid green roof system. Click on a green roof to see a short description of the green roof type and the estimate of the area it covers. Weight vegetative roof weights can range from 16 to 60 pounds per square foot depending on the depth of the growth medium types of plantings and accumulated weight of other additions such as pavers or water features. The green roof must cover 100 of the roof that includes appropriate vegetated free zones with up to 40 exemptions for rooftop mechanical equipment.

Flowering from march till november these roofs require deeper substrate which is undulated to encourage diversity. Our services find out what we do and how we do it. Into the green belt and delivering high quality more compact development closely linked to good public transport and other amenities. Native uk wildflowers often make great green roof plants and are particularly good for providing food sources for invertebrates for longer periods of the year.

It was developed in response to the needs of the fast expanding green roof industry in major north american cities. London green roof infographics.