Engineered for maximum airflow, effortless operation, and A-rated thermal efficiency.
Casement Windows - Modern Design & Superior Ventilation
Casement Window Styles
Why Homeowners Choose Casement Windows?
Uncompromising Security
Multi-point locking as standard & Child-safe hinges with restrictors.
Full Control Over Ventilation
Open fully (90°) for fresh air & Outward-opening design prevents rain ingress.
Low Maintenance & Long-Lasting
uPVC resists weathering, peeling, rust & Easy-clean hinges.
WHY CHOOSE GTG DOUBLE GLAZING?
Unmatched Quality: We supply and install high-performance uPVC, aluminium, and composite windows & doors, all built to last with 10+ year guarantees.
Energy Efficiency Focus: Our A-rated double glazing reduces drafts, noise, and energy bills—keeping your property warmer in winter and cooler in summer.
FENSA Certified: Every installation meets UK building regulations, giving you peace of mind.
Local & Reliable: As an Illford-based business, we’re committed to serving our community with prompt, transparent service
