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Up to 70% of construction projects could be built using off-site manufactured components, according to the boss of Skanska UK.

Speaking to 好色先生TV at the Ecobuild conference in London, Skanska UK chief executive and president Mike Putnam urged firms to emulate the automotive industry by producing more buildings on factory production lines to save them and their clients time and money.

Putnam said: 鈥淭he potential is very high - 60-70% of projects could be off-site manufactured.

鈥淲hy can鈥檛 we get to a position in the future where construction sites are like car production lines? A place where you happen to bring everything together and bolt it together on site. I see no reason why that can鈥檛 be the case.鈥�

Putnam鈥檚 comments come after a raft of firms - including investor Legal & General, client Urban Splash, contractor Laing O鈥橰ourke and architect Roger Stirk Harbour & Partners - have announced plans to build thousands of low-cost homes a year using off-site manufactured components.

Putnam said the government鈥檚 Construction Leadership Council - of which he is a member 鈥� is aiming to drive greater adoption of off-site construction: 鈥淲e have in mind bringing the whole industry up by getting collaboration going - that鈥檚 a current area of focus and the government is very keen on this.鈥�

At Skanska, rolling out off-site manufacturing capabilities is a key part of the firm鈥檚 five-year strategy running to 2020, Putnam said.

The firm is already expanding its off-site manufacturing facilities for structural steel in Doncaster and M&E in Slough, and is also investing in its 鈥渇lying factories鈥� concept of small mobile off-site manufacturing units and trials of 3D concrete printing.