The new Biology and Chemistry block for St John’s School in Leatherhead comprises laboratories, staff preparation rooms and cloister connection to adjacent campus buildings.
A number of low-energy design features are incorporated, including exposed concrete structure to maximise the benefit of passive heating and cooling, natural and passive ventilation systems, night-time cooling strategy and 70 m² of roof-mounted photovoltaic (PV) panels. These panels generate electricity for the school and permit the exportation of energy to the grid in low-use periods, such as school holidays. The output from the PV installation and the energy performance of the building is displayed to inform the students and teachers of the building energy performance and as learning tool.
Energy modelling of the building has been carried out to maximise the benefits of this low-energy technology. The highly serviced building is designed using Building Integrated Modelling (BIM) to level 3 standards, with all design data input to a single model.