This week on Dezeen, Sagrada Familia was conceded its first structure grant, following 137 years of development, and Charles Rennie Mackintosh’s Hill House was encased in a defensive chainmail. The grant given to Barcelona’s prestigious Sagrada Familia will go on until 2026 to enable developers to at last total the basilica, which has been under development since 1882. In any case, it included some significant pitfalls of €4.6 million (£4.1…