The solution was a true example of Ramboll innovation; generate more power than the school actually required - efficiently using gas fired combined heat and power boilers (which also generate low carbon electricity) with ‘top up’ biomass heating - and then export the surplus heat to the nursery, the CAPE building and to two neighbouring social housing blocks. The architect’s passive design helped minimise the need for energy consumption, recycled materials and on-site renewables minimised waste, whilst brown and green roofing plus rainwater harvesting reduced the dependence on utility supplies.