He became prominent in the Waikato branch of Federated Farmers, serving as dominion councillor before his election to Parliament.
[1] He continued a family involvement with the Tatua Dairy Company as a director for several years.
He was elected Chairman of Committees in 1976, a position he held until National's defeat in 1984.
On his retirement from politics in 1987, his son John Luxton succeeded him in the Matamata (later Karapiro) electorate, from 1987 to 1999.
After politics, Luxton took an active part in his family's horticulture block in Katikati.