High-performance triple glazed windows & doors

Green Building Store offers high performance timber and alu-clad windows and doors, combined with dedicated personal service.

• Triple glazed as standard
• Timber and alu-clad frame options
• Competitive prices
• Friendly non-pushy technical sales team
• Passivhaus and low energy expertise
• 20+ years’ experience of supplying high performance timber windows & doors
• Personal service and after sales care
• 10 year warranties on in-house  window & door ranges
• Wide rangeof options for all budgets and requirements

PERFORMANCE

Our best-selling high performance range for replacement windows or new build and retrofit energy efficient homes. U value as low as 0.85 W/m²K

ULTRA

For Passivhaus and advanced energy efficient specification projects U value as low as 0.68 W/m²K

PROGRESSION

Passivhaus certified frameless window for contemporary new build projects. U value as low as 0.68 W/m²K

SLIDING SASH

High performance range for retrofits and new builds wanting energy efficient windows and a traditional appearance. U value as low as 0.85 W/m²K

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