Four cabinet ministers have demanded the prime minister stop using the threat of a no-deal Brexit as a negotiating tactic, telling Theresa May that businesses and manufacturers now needed to be given certainty.
The demand was made in a meeting with the prime minister on Monday by the justice secretary, David Gauke, the work and pensions secretary, Amber Rudd, the business secretary, Greg Clark, and the Scottish secretary, David Mundell.
Cabinet sources suggested it would be a key intervention before May’s expected visit to Brussels on Wednesday and described all four as loyalists who were keen to deliver a Brexit deal.
The ministers who requested the meeting with May believe that while no deal had once been a sensible negotiating tactic, a number of alarming announcements by businesses and manufacturers over recent weeks meant it was time for the option to be categorically ruled out.
Downing Street described it as a “private meeting” and gave no further details, but the discussions are likely to inform the weekly cabinet meeting on Tuesday.
The intervention is likely to set the ministers firmly at odds with rebel Eurosceptics, determined to keep no deal as a viable option.
May was defeated in parliament last week at the hands of the European Research Group of Tory MPs, led by Jacob Rees-Mogg, who abstained on a government motion because it appeared to rule out a no-deal Brexit.
The prime minister is expected to meet the European commission president, Jean-Claude Juncker, on Wednesday, departing for Brussels after prime minister’s questions.
Speaking earlier on Monday, May’s de facto deputy, David Lidington, said a no-deal Brexit would cause “serious damage to our economy and, I think, put strain on the union of the United Kingdom”.
The attorney general, Geoffrey Cox, is expected to set out in a speech this week what changes would be required to eliminate the legal risk of being indefinitely trapped in the Irish backstop, the key sticking point for many of the pro-Brexit rebels.
Downing Street hopes that any changes that Brussels can offer will be enough to materially change Cox’s previous legal advice – which they believe would be enough to win over significant numbers of Tory MPs.
Cox and the Brexit secretary, Stephen Barclay, held talks with the EU’s chief negotiator, Michel Barnier, on Monday over Theresa May’s request for the withdrawal agreement to be reopened.
Cox laid out to Barnier what assurances would be needed for him to be able tell MPs the backstop would be temporary. It is understood that text offering MPs assurances will be on the table this week, although sources stressed discussions were at an early stage.
Lawyers from the UK and the European commission, who sat in on the meeting on Monday, are expected to work together in the coming days on precise legal text but neither side has suggested the withdrawal agreement itself would be reopened.
Barclay and Cox are expected to return to Brussels on Wednesday to discuss a “legal way forward”.
Barclay said: “The attorney general shared his thinking in terms of the legal way forward and how we address the central issue of concern signalled in the Brady amendment in terms of having an outcome that addresses this issue between the article 50 legal underpinning that’s temporary and his advice to parliament in terms of the indefinite nature of the backstop.
“We agreed a next step forward so we’ll be engaging again midweek, the attorney general and I, and we’ll firm up the precise logistics of that in the morning.”
The European commission president, Jean-Claude Juncker, said the outcome of the Brexit talks was “in God’s hands”.
In an interview with a German newspaper, he said: “When it comes to Brexit, it is like being before the courts or on the high seas; we are in God’s hands. And we can never quite be sure when God will take the matter in hand.”
Juncker said the EU was not “opposed” to an extension of article 50, but suggested it could not be longer than a few months.
“If you are asking for how long the withdrawal can be postponed, I have no timeframe in mind,” he said. “With Brexit so many timetables have already gone by the wayside.
“But I find it hard to imagine that British voters would again vote in the European elections. That to my mind would be an irony of history. Yet I cannot rule it out.”