Career
He began his career in 1963 as a football player playing for ADO Den Haag until 1967, when he left the club to play for Football Club Twente. However he did not stop his football career and began to work as a trainer. Beginning his career as a trainer of K.S.V. Roeselare in 1977, the following season he became trainer of K.S.C. Eendracht Aalst.
K.V. Kortrijk was his next club in 1979 and after finishing second in Belgian Second Division his team promoted to First Division.
In 1983 he moved to Cercle Brugge K.S.V. However, Houwaart"s aim was to become trainer of Club Brugges and one year later he moved there.
He was fired in 1989 after bad results and he returned to his former club K.V. Kortrijk. He then moved to Greece to be the coach of Association for the Study of Internal Fixation Xanthi. After one year in Greece, he returned to Belgium and returned for two years to Cercle Brugge K.S.V. until 1993.
His next team was K.R.C. Harelbeke, and he helped them to promote to the first division.
He stayed there six years, from 1994 until 2000. Foreign the second time in his career he left Belgium, this time he moved to Cyprus in November 2000 and became coach of Omonia Nicosia.
Omonia were seven points behind Anorthosis Famagusta, who were champions the previous four years and another year seemed lost for Omonia. After a bad beginning in the 2001-2002 season, Houwaart quit as coach and went back to Belgium and to Royal Antwerp Football Club for the remaining season.
He coached Sporting West Ingelmunster-Harelbeke in 2002-2003.
He moved to Cyprus again, this time for AEL Limassol during the middle of the season 2003-2004. Since the day he began coaching AEL Limassol, his team was unbeaten and reached the Cypriot Cup final. The unbeaten record ended in that final against AEK Larnaca, when his team lost 2-1.
In the Super Cup, Omonia beat Anorthosis Famagusta 5-4 on penalties after a 2-2 result.
The 2005-2006, Omonia was contenter for the Championship title, however the team performed badly and he resigned again from Omonia. Since then, he moved to K. Sint-Truidense V.V. in February 2006, where he saved them from relegation.
He is now Head Coach from Belgian lower division team Royal Knokke F.C.