Since 1966 Agrément Certificates have been providing invaluable information on the performance of new construction products and materials. For only a little less time, the BBA has been running its injected cavity wall insulation approved installer scheme, described elsewhere on this website, and since 2002 has provided the inspections that have underpinned the FENSA Competent Persons Scheme for replacement windows and doors in England and Wales.

Above text was excerpted from: http://www.bbacerts.co.uk/about_us.aspx