![](https://www.cer.eu/sites/default/files/styles/spotlight/public/cost_of_brexit_sl_136.jpg?itok=OrM1Lbj1)
As another Tory PM teeters, the costs of Brexit keep mounting
In June, the Centre for European Reform estimated the price-tag for Johnson’s oven-ready Brexit was already running into the billions with UK gross domestic product (GDP) 5.2% – or a whopping £31bn – lower than it would have been if the UK had not left the EU.