Members of the Passivhaus Trust get a 10% discount to a masterclass in cross-laminated timber design being held by Passivhaus project supplier Ecological Building Systems in London on 11 May. Designed for architects, the all-day event at the Building Centre will bring together leading experts on CLT systems and methodologies. The programme will include a review of Peter Rankin’s CLT residential property in London, which won the Passivhaus of the Year Award (urban category) in 2016. For the £120 fee, attendees will receive CPD credits. See www.ecologicalbuildingsystems.com/UK for details on discounts.