Internal phenolic insulation
Faced with glass fibre tissue.
Plastered and painted with gloss paint.
Blown mineral wool cavity insulation
This is probably subject to cold bridging.
Grey Expanded Polystyrene
Adhered with Ceresit CT 84 PU adhesived
CT 100 reinforcing compound (or CT 87) and glass fibre mesh.
Finished with a breathable silicon render.
This will reduce the amount of cold bridging.