london britain need new paradigm sell financial service european union brexit exist trade deal eu foreign countries go far enough country finance minister say tuesday philip hammond widely view pro-european prime minister theresa may senior colleagues say speech annual dinner finance association cityuk future trade arrangements eu durable fair britain yet start serious trade talk eu ahead march 2019 departure process currently bogged disagreements border arrangements british province northern ireland irish republic may come pressure tuesday opposition party ally soften eu divorce keep britain single market customs union brexit hours attempt break logjam irish border collapse hammond say would comment events last two days concern northern ireland add britain eu make good progress talk recent weeks optimistic achieve sufficient progress council next week move next stage negotiations hammond say refer schedule meet eu leaders dec. 14 15. britain want protect exist trade arrangements eu type deal eu strike countries past acceptable hammond say must develop new paradigm future trade relationship financial service say exist trade agreement third-country access eu could support scale complexity reciprocal trade financial service exist uk eu add early tuesday bank england reiterate warn without legislative change britain eu tens billions pound cross-border insurance contract risk legal uncertainty brexit say consider bank need hold extra capital britain need 'new paradigm financial service trade eu hammond