The governments plans to deny visas to low-skilled workers are going to affect many industries, but arguably none more so than the construction sector.

Thats because the building industry has, since the last recession, relied heavily on migrant workers. That downturn meant when construction projects were curtailed and domestic workers left the industry, foreign-born labour was easily accessible once business picked up again, because of the skills shortages that existed in the UK-born workforce. Figures from the Office for National Statistics (ONS) show that EU nationals now comprise a crucial part of the construction workforce, accounting for around 8 per cent of all construction workers in the UK, 28 per cent in London.

This migrant labour source has also helped the industry counter the shortfall of apprentices. According tothe Construction Industry Training Board, the industry needs to fill some 168,500 new jobs over the next five years, and grow much more of its own domestic workforce, given the limits on future access to migrant workers after Brexit. But the latest government figures show the number of people starting an apprenticeship in England (overall, not just in construction) fell to 125,800 between August and October last year, down 4.7 per cent from 132,000 in the same quarter a year earlier.

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At the same time, the sector is being squeezed at the other end. ONS figures show that in 2011, one in every five UK-born construction workers was aged over 55 meaning that by 2021, those people will nearly have reached retirement age, about the same time that any limits on migrant workers will kick in. Restricting access to all-important migrant labour could sound the death-knell for many construction companies.

The government also has little understanding of what constitutes a skilled worker in the construction sector. Immigrants recruited into the industry from abroad today are highly skilled tradesmen and women far removed from the Brexiteers stereotype. On the upside, the government is proposing that theshortage occupation list the official list of occupations for which there are not enough resident workers to fill vacancies will now include carpenters and plasterers. Bewilderingly, however, the list will still not include many of the other trades that are crucial for fulfilling a building project, such as bricklayers, plumbers and electricians.

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Without migrant workers, Boris Johnsons promises of new homes and HS2 will remain a fantasy - The Independent