Luxury awaits: turning the Old War Office into an upmarket hotel

Transforming the 1,000-room Old War Office building in London into a luxurious Raffles hotel has been a momentous project for Aecom engineers. Andy Pearson discovers how an extensive services refit was in keeping with the magnificence of the makeover

Greenwich hotel opens door to district heating

The InterContinental Hotel at the O2 was linked to the local heat network after designers convinced the developer of its resilience. Phil Lattimore describes Aecom’s low-carbon strategy