Matthew Williamson is launching a diffusion line.

The British designer - whose styles are often seen on the likes of Sienna Miller and Cat Deeley - is creating a range with Italian company the Mariella Burani Fashion Group, in a move which he believes couldn’t be timed better.

“It will be womenswear but all will be revealed in due course - watch this space. It just felt right - we’ve been here for 13 years and it’s time to take the label further. We’re ready for it now.”

“That’s a good question, it’s still being worked on at the moment. I’m just a workaholic - I just needed even more to do,” he said when asked what the collection would encompass.

The label’s chief executive Joseph Velosa believes the new clothing range will be seen in a similar way to Marc by Marc Jacobs and See by Chloe: “It will carry all the essence of the Williamson woman but it’ll be for her younger sister and at a lower price point. We’ve been around for a long time and this is the next step.”

The collection is due for release in February 2011.