BBA 50th Anniversary Celebrations Steel v Timber – how will the housing market react? Better quality – the unexpected benefit from Brexit? Posted on September 6, 2016 in News BBA staff will be raising a glass for the BBA’s 50th Anniversary on Thursday 8th September. Offices will be closed at 4pm for celebrations. Share this article: Related Articles Employee Appreciation Week 2018 BBA and DIBt sign ‘Memorandum of Understanding’ Improved Certification Services by Collaboration R&D Tax Credits – BBA’s CEO explains how to claim.