About Us

Thank you for taking this opportunity to find out more about Cube Lock.


Cube Lock is part of Newstar Door Controls Limited which was founded in 1990. Newstar are suppliers to the architectural ironmongery trade customers and Cube Lock affords Newstar the opportunity to supply its products at competitive prices direct to the public.


Cube Lock aims to expand on the existing range of window restriction products already available on the market. From standard single sided, to the unique shroud designed to retro fit all existing restrictors on the market to provide an added level of security, Cube Lock aims to drive forward the restrictor market to meet the varied needs of window restriction.


We offer a friendly “can do” approach. This is part of our business culture, although it is our staffs’ in-depth industry knowledge that ensures any visit to our site or direct contact will result in a premium service.


All products are backed with the manufacturer’s guarantees (information available upon request) and having been tested to British Standard to ensure quality products.


Cube Lock