100% Design attracted 26,632 people to the show at Earls Court 2 over the four days - despite an electrical fire causing an evacuation.
The figure comprised 20,398 trade and professional visitors,450 exhibitors and 6,234 members of the public.
New York has estimated the financial cost of the devastation caused by the terrorist attacks to be £75 billion, a third of which should be covered by insurance. The city's finance director Alan Hevesi added that 115,300 jobs will be lost in the next year although new positions will be created.
Conservationists say 25ha of upland habitat will be destroyed and 16km of new roads built after government permission was given last week for a new firing range in Northumberland National Park. The MoD is to build structures in the Otterburn training area to allow the Army to train with the 45tonne AS90 gun and multirocket launching system.