I got a postcard at work (probably sent for work related as I haven't had a personal one) so the below is the only information I know
Boden Clearance sale
Olympia Conference Centre
Hammersmith Road
London W14 8UX
Fri 16 March 10am-6pm
Sat 17 March 10am-4pm
Mens Womens and Childrens clothing massive savings on everything
No refunds, credits etc