BAC Windows was formed by Les Briggs and Eddie Coventry in 1966 when they were neighbours in Hornchurch, Essex. They initially made windows for their own houses.
In 1971, SEH Ipswich Ltd was formed and in 1977 the growing business moved to purpose-built offices on Crowcroft Road in the town.
SEH Windows and Doors was formed in 1985 and became members of the Glass and Glazing Federation (GGF) in 1987. Then in 1989 the SEH Group was established.
SEH Windows and Doors moved into the present, 30,000 sq ft head office building in Ipswich in 2000, and in 2006 it opened the biggest indoor window and door showroom in the South East in Chelmsford.
SEH Windows and Doors acquired BAC Windows and SEH BAC was formed.
In 2012 A&B Asset and FineLine Windows was acquired by SEH BAC, before the company also acquired Banaglaze and further expanded its operation.
SEH Group is rebranded to One Group Construction and SEH BAC wins the National Home Improvement Council (NHIC) Glazing Project of the Year Award.
SEH BAC wins the National Home Improvement Council Double Glazing With Community Benefit Award.
SEH BAC expands into a new 5,000 sq ft facility in Colchester before winning the coveted Installer of the Year at the G17 Awards and the Delivering Community Benefit Through Home Improvement at the NHIC.
SEH BAC is named South-East Company of the Year by the elite Master Window and Conservatory Installers Association and scoops a Conservatory & Orangery Award for a complex renovation project. Peter Wheeler, who joined the company in 1987, becomes Managing Director.
SEH BAC wins the highly sought-after Extension Designer of the Year award from Ultraframe, and also gains the Emplas Best Showroom in the Southern Region award.
SEH BAC renews its sponsorship with Ipswich Town Football Club, agreeing a new two-year contract after sponsoring the club for more than 20 years.