South Africa's high-end retailer Woolworths expects first-half profit to increase by 25-35 percent year-on-year with sales also forecast to rise, the company said in a trading update on Thursday.

Woolworths, which sells products similar to those of Britain'sMarks and Spencer, said that without including the impact of David Jones, whose acquisition was effective in August 2014, group sales grew by 12.3 percent.

Woolworths will publish its half year results on Feb. 11.