Bygone Harmony

The most versatile window in the range, Harmony has numerous optional extras available for individual customisation or to simply tailor your windows to a budget.

• Unique 12 year guarantee • ARated for energy efficiency as standard • Secured by Design as standard – a police approved accreditation for complete peace of mind • Patented Timberweld® technology for perfectly sealed corners

• Manufactured in the UK using components sourced in the UK

• Wood grain foil • Exclusive putty line appearance • Bespoke Bygone furniture in a range of colours • Continuous horns • Slim integral mullion for multi-light windows as standard

• Deep bottom rail or large butt jointed bottom rail • 52mm standard or 39mm ‘Super Slim’ meeting rail • 24 mm double glazing • High grade Torso balances tested to last 50 000 cycles and more – an average life expectancy of 68 years * • Optional authentic GRP deep cill • Patented design features * Based on opening and closing the windows twice a day