The Belt and Road Initiative, which was announced by Xi in 2013, is aimed at promoting connectivity, cooperation and common prosperity along the ancient land and maritime trade routes.

"The (Belt and Road) initiative seems absolutely right to have a good investment in infrastructure and we share that ambition to make sure that the infrastructure is delivered. That's a good way to reach the whole population to help everybody out of the poverty," Amber Rudd, Britain's Secretary of State for Energy and Climate Change said.

The Belt and Road Initiative and AIIB are extraordinary thoughts, which are opening up trading pattern for countries in the world and Britain can play a major role in financing, professional services and other expertise, Grimstone said.

The comprehensive strategic partnership between China and Britain has entered its second decade, and it is believed that under the framework of the initiatives, the two countries will open a new chapter for bilateral ties.