The same honour went to Berkeley Group chairman Tony Pidgley for services to housing.
Westbury contributed to the London Olympic Stadium design and has been recognised for services to engineering and construction.
Contractors missed out on the honours this time round with just six OBEs awarded for construction-related services.
David Baker, chief executive, Robust Details
Wendy Blundell, head of devolved regions, ICE
David Bucknall, RICS
Anne Ganley, managing director, Thompson’s Builders’and Plumbers’ Merchants
Mervyn Richards for services to BIM
Dr William Bordass, building scientist, for services to architecture and engineering
David Ridgeon, vice-chairman, Ridgeon Builders Merchants.
Iain Tuckett, group director, Coin Street Community Builders