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The latest plans for changing Parliamentary seat boundaries mean the Tories would have won an outright majority of 16 at the last election.

Planned changes would see the numbers cut by 50 and pitching scores of MPs into a battle for political survival.

Conservative MP Boris Johnson faces a challenge to his 5,034 majorithy in Uxbridge and Ruislip South, with the seat losing Tory-leaning Yiewsley and gaining Labour-leaning Northolt.

Under the plans Jeremy Corbyn's Islington North seat would be axed to be replaced by one called Finsbury Park and Stoke Newington which would take some wards from Diane Abbott's current Hackney North seat.

(Image: REX/Shutterstock) (Image: Getty Images Europe)

Both of the recommendations remain the same as revised proposals outlined in a report from the commission published last year.

Professors Colin Rallings and Michael Thrasher, from the Elections Centre at Plymouth University, found the Tories would have been left with a working majority of 23 once Sinn Fein's MPs, who do not take their seats, were taken into account.

Downing Street said the proposals, which give each MP roughly the same number of constituents, would ensure there is "fair and equal" representation for voters.

Tory former Brexit secretary David Davis's Haltemprice & Howden seat is still set for abolition - but the name of the main replacement seat of Goole & Axholme has been amended to Goole, Howden & Axholme.

Iain Duncan Smith's seat of Chingford and Woodford Green gains a ward from the Labour seat of Ilford North held by Wes Streeting.

But, since that ward is marginal, it may make winning the seat harder but those wishing to topple the hated Tory architect of welfare reform should not rejoice just yet.

Plans to combine

Steve Double, who represents the Cornwall seat of St Austell and Newquay, has hit out at the change.

He said: "The Boundary Commission have published their report on the new Parliamentary constituencies today. It still includes a proposal for a cross border seat with Devon. I have made clear I do not support these proposals. #nodevonwall

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Secretary to the Commission, Sam Hartley, said: "The recommendations we've published today mark the end of a thorough and consultative process to build the new map of constituencies.

"We've travelled the country, taken account of over 35,000 public comments, and heard many impassioned views about how best to reflect local communities in our recommendations, while ensuring that constituencies are all much more equally represented.

"We're confident that the map we propose today is the best match of the legal rules Parliament has set us.

poll loading Do you support the new proposals? 0+ VOTES SO FAR YES NO

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"It's now up to Parliament to decide whether these boundaries will be used at the next general election."

Cat Smith MP, Labour’s Shadow Minister for Voter Engagement and Youth Affairs, said: “These final boundary recommendations are nothing but an undemocratic power grab by this Tory Government.

"With no plans to reduce the number of Ministers, the Government is weakening the role of Parliament and creating unprecedented levels of executive dominance at the expense of backbenchers, when Parliament is meant to be taking back control.

“Cutting the number of MPs by 50 as we prepare to leave the European Union is further proof this Government is clamouring to tighten its grip on power.

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"With the workload of MPs set to rise after Brexit, with thousands of pieces of important legislation expected to come through parliament, it would be utterly ludicrous to go ahead with these boundary changes.

“Theresa May needs to think again. The political context has changed significantly since these flawed proposals were first agreed under David Cameron.

“The voice of more than 2 million voters will be ignored if the Government presses ahead with its proposed boundary changes. Labour has repeatedly said that a boundary review is needed ahead of the next General Election, but we cannot support the Government’s undemocratic proposals.

“We stand ready to work with all political parties to agree an accelerated timetable for a new review that benefits our democracy, not just the Conservative Party.”

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Labour's shadow housing secretary John Healey accused the Tories of using the Boundary Commission as a a political fix before the next Election: this breaks communities into new constituencies and weakens Commons’ controls on Government UK Labour strongly opposes."

Labour MP and shadow Cabinet minister Jon Trickett branded the proposed boundary changes a "disgrace" and a "Tory stitch up".

Writing on Twitter, Mr Trickett said: "The proposed Boundary for our constituency has just been published. It's a disgrace. A Tory stitch up. Labour will vote against. I will publish my full reaction tomorrow on Facebook."

The cut in the number of parliamentary constituencies was meant to happen while the Coalition government was in power.

But it was abandoned in 2013 after the Liberal Democrats withdrew their support, having failed to agree on House of Lords reform with their Tory partners.

As a result, the 2015 election was fought on the same boundaries as in 2010, as was the snap general election in 2017.

The proposals have to be voted on by parliament meaning the next election election is fought for the new seats.

But opposition from Tories and Labour MPs mean it may struggle to get through the Commons.

The PM's official spokesman said: "We are committed to delivering more equal and updated boundaries so our parliamentary system represents everyone equally.

"Without boundary reforms constituencies would be based on data which is more than 20 years old which would disregard significant changes in demographics, housebuilding and migration.

"The final proposals will be debated and there will be a vote on both Houses in due course in the usual way.'

Asked if the Government is still committed to cutting the number of MPs, he said: "Yes."

The PM's spokesman would not say the vote would definitely take place before Christmas.