Smit was appointed an honorary Commander of the Order of the British Empire (CBE) in the 2002 New Year Honours and awarded the Kilgerran Award of the Foundation for Science and Technology in 2003. In 2006 he was awarded an honorary Doctor of Design degree by the University of the West of England "in recognition of his outstanding achievements in promoting the understanding and practice of the responsible management of the vital relationship between plants, people and resources, which have made a major contribution regionally, nationally and internationally to sustainable development, tourism, architecture and landscape architecture".
Smit was appointed an honorary Commander of the Order of the British Empire (CBE) in the 2002 New Year Honours and awarded the Kilgerran Award of the Foundation for Science and Technology in 2003. In 2006 he was awarded an honorary Doctor of Design degree by the University of the West of England "in recognition of his outstanding achievements in promoting the understanding and practice of the responsible management of the vital relationship between plants people and resources, which have made a major contribution regionally, nationally and internationally to sustainable development, tourism, architecture and landscape architecture".