Location Address Tel. & Fax Opening times More info. Holborn CLP, Unit 305A Third floor Hatton Square Business Centre 16 Baldwins Gardens London EC1N 7RJ The shop is inside a Business Centre. If you come from Grays Inn Road, the Business Centre is the last building on the right in Baldwins Gardens (just before Leather Lane). Please dial 305A at the door to get access. tel.: 020 7831 8277 email: click here 10am to 6pm Monday to Friday 10am to 1pm Saturday For more information and a map of the Holborn shop location click here