the British Authorities intend to abandon certain trade restrictions against Russia. This will happen at the end of the transition period after Brexit. About these intentions reported on the website of the British government.
Britain plans to abolish anti-dumping duties on metal and cast iron pipe, steel and cast iron pipe fittings, aluminum foil, ferrosilicon. As for the other duties imposed by the European Union, they will remain in force.
the UK left the European Union on January 31. Then begins a transition period, during which London had to negotiate with other countries on cooperation formats.