Luxury interior furnishings group Walker Greenbank said adjusted pre-tax profits for the full year are expected to be no less than £4.9m, comfortably ahead of the top range of analyst forecasts.The group, whose brands include Sanderson, Morris & Co., Harlequin and Zoffany, said it had seen strong demand across all of its brands."Trading continued to be robust in December and January, with sales ahead of the same period last year," the group said in a statement.Walker Greenbank it will increase its final dividend at least 30% following its positive trading performance.