Online sales were up 46.2 per cent and the company continues to gain market share in clothing and non-clothing, including womenswear and beauty.
The new store on Oxford street is on track and budget, the 12 stores modernised over the past year are all doing well and the company's seen good international performance.
New stores opened this year in Chesterfield and Lichfield performed ahead of internal expectations.
Profit before tax, due in the full year results on the 24 October, is expected to be in line with market expectations.
The chief executive Michael Sharp highlighted the growth of Debenhams' online business and put Debenhams' performance down to the hard work and focus of employees in implementing a successful strategy.