Abbey Windows know how important the security and safety of your home and family is, which is why we ensure the highest levels of security from Sac window locks, one of the world’s leading security locking system specialists.

£1,000 Security Guarantee
With Sac, you will enjoy excellent protection. The Sac shoot-bolt locking system's Security Guarantee means that you will receive up to £1,000 towards any home content insurance in the unlikely event of a break in to your property.
10 Year Mechanical Guarantee
Every single Sac shootbolt window locking system comes with a full 10-year guarantee from the date of your installation. In addition, all components are manufactured and designed to the highest standards of the BSI security criteria for windows and doors.
Secured by Design
All our Sac window locking systems have been accredited with the Secured by Design police preferred specification. This optional upgrade means that the locks have been tested and meet a certain standard which is ‘police preferred’ against forced entry to your property in Reading.