Since my last post there has been substantial progress on site.
A big thanks goes out to SkyGarden who have kindly helped us with supply of the green roof substrate and Gray & Jarrett who installed it. This is made up of a blend of recycled crushed brick and organic material, allowing for a free draining low nutrient and moisture retentive growing medium. The wildflower seed mix is to be planted towards the end of this week once the PV array is installed.
Another big thank you goes out to DVS who helped us with their fantastic triple glazed thermally broken rooflight. It saved a lot of heartache trying to detail a velux to be thermally efficient!
For those interested, the roof build up is as follows: