[3] After a loan spell at North American Soccer League club Dallas Tornado in 1972,[4] Carlton returned to Fulham, but made just one further appearance before his departure in October 1973.
[3] He made just six league appearances in what remained of 1973–74, but became a regular pick from the beginning of the 1974–75 season and helped the Cobblers to promotion to the Third Division a year later.
[1] Carlton reunited with his former Fulham and Northampton Town manager Bill Dodgin at Fourth Division club Brentford in October 1976 and signed for a £3,000 fee.
[2][1] He helped the Bees to promotion to the Third Division in the 1977–78 season and unlike with Northampton, the club consolidated its position at the higher level.
[6] Carlton departed Griffin Park at the end of the 1979–80 season and made 148 appearances and scored seven goals during nearly four years with the Bees.