The National Society for Epilepsy campus at Chalfont St Peter is a national centre for research and caring for people with epilepsy. This project is for an extension to one of the existing homes on the site and replaces another building that does not comply with current standards.

The new single storey L-shaped building accommodates a 4-bed residential unit in each wing of the L with shared accommodation off the corridors that link back into the existing care home. A small court forms the entrance to both the new and existing building and the wings of the new building form two sides of a secure garden for the residents.

The buildings are faced in materials that are in harmony with others on the campus, in particular some early 20th century listed buildings. Walls are roughcast render above a stock brick base and roofs are covered in grey tiles, at the insistence of the planners to match the existing building alongside.