From the section Business

A view of housing in Bristol, England
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A UK vote to leave the European Union would cause an "immediate economic shock" that could hold back growth in house prices, the chancellor has said.

In the event of a vote for Brexit, by 2018, houses could be worth up to 18% less than if the UK voted to remain, George Osborne told the BBC.

Andrea Leadsom of Vote Leave rejected this, saying a bigger economic threat "was the perilous state of the euro".

G7 finance ministers said Brexit could cause a "shock" to the world economy.

An analysis by the Treasury to be published next week will suggest that two years after a Brexit vote, UK house prices could be between 10% and 18% lower than after a remain vote, Mr Osborne told the BBC.

"If we leave the European Union, there will be an immediate economic shock that will hit financial markets... People will not know what the future looks like," he said.

"And in the long term, the country and the people in the country are going to be poorer. That affects the value of people's homes... And at the same time, first-time buyers are hit because mortgage rates go up, and mortgages become more difficult to get. So it's a lose-lose situation," he added.

Media captionA Treasury report out next week argues that Brexit would create a series of economic shocks to housing, employment and wages.

The G7 finance ministers said after two-day talks in Japan: "Uncertainties to the global outlook have increased, while geopolitical conflicts, terrorism, refugee flows, and the shock of a potential UK exit from the European Union also complicate the global economic environment."

Mr Osborne's comments echo those made by the International Monetary Fund last Friday, which said Brexit could cause a "sharp drop" in house prices.

But energy minister Ms Leadsom said: "This is an extraordinary claim and I'm amazed that Treasury civil servants would be prepared to make it.

"The truth is that the greatest threat to the economy is the perilous state of the euro; staying in the EU means locking ourselves to a currency zone - which Mervyn King, ex-governor of the Bank of England, has rightly warned 'could explode'.

"The safer option in this referendum is to take back control of the vast sums we send to Brussels every day and Vote Leave on 23 June."

'Trade hit'

Mr Osborne, who is in Japan for the G7 meeting, said that for the UK to retain free movement of EU goods and services, it would have to accept free movement of people.

"It's absolutely clear if you speak to the finance ministers here from France, Germany and other European countries ‎that if Britain left the EU, and wanted access to the single market, then we would need to pay into the EU budget, and we'd have to accept free movement of people, but we'd have no say over those policies at all," he said.

He said renegotiating trade treaties would be "extremely difficult to do", leading to business uncertainty and stifling investment and hiring.

"People wouldn't have certainty over what their future looked like. And all of that uncertainty would add to the economic costs of leaving the EU. It hits people's incomes, it hits the value of houses, it hits businesses and jobs," Mr Osborne said.

How would an EU exit affect average house prices?
Year Remain in EU Leave EU
2016 £278,500 £277,600
2017 £290,800 £288,900
2018 £303,000 £300,800
London
2016 £536,000 £533,700
2017 £564,500 £559,300
2018 £599,200 £591,700

 

source: NAEA/ ARLA/ CEBR

However, campaigners for Vote Leave have previously said that lower house prices would help first-time buyers and those in the rental market.

"After we Vote Leave, we will be able to fix our broken migration policy whilst supporting the construction industry with the talent it needs," Vote Leave chief executive Matthew Elliott said on Thursday.

"The biggest pressure on housing supply is immigration which has made buying your first home and even renting unaffordable for many."

Mr Elliott added that mortgage lending is on the rise, and "leaving the EU is unlikely to affect mortgages".

On Thursday, estate agents claimed a Brexit could knock thousands of pounds off house values over the next few years.

A report by the National Association of Estate Agents said a Brexit could take around £2,200 off average house prices by 2018.

Ratings agency Moody's also said that curbing immigration would ease competition for housing, and slow down house price and rental inflation.

www.bbc.co.uk