The Research Complex is located at the Rutherford Appleton Laboratory at Harwell in Oxfordshire, 16 miles south of Oxford and close to the A34 and M4. Rutherford Appleton Laboratory is located on the Harwell Science and Innovation Campus. There is nearby rail access from Didcot Parkway Station and a regular bus service to local towns. More detailed directions are available here.

All visitors should report to the Rutherford Appleton Laboratory main reception.