Maximise Light. Enhance Space. Modern Design.

At AT-ECO Windows & Doors, we supply a wide range of glazed door systems from Internorm, Drutex, Reynaers, and Schüco — tailored for both residential and commercial projects.

What Are Glass Doors?

Glass doors feature full or partial glazed panels, offering a balance of light, transparency, and privacy. Available in single or double-door configurations, they are ideal for connecting spaces and bringing natural light into interior or exterior areas. Full glass doors are often used for contemporary designs, while partial glass options provide a more traditional feel with added privacy.

Benefits of Glass Door Design

Glass doors enhance architectural openness, maximise daylight, and contribute to passive solar gains. They are particularly suited to designs that emphasise views, space, and seamless transitions between interior and exterior environments.

Key Features

Full or Partial Glazing Options: Choose from fully glazed, half-glazed, or custom patterns with frosted sections.
Energy-Efficient Glazing: Double or triple-glazed units with thermal spacers and low-E coatings.
Secure and Durable: Laminated or toughened safety glass, multi-point locks, and impact-resistant frames.
Custom Finishes and Sizes: Wide choice of frame materials, colours, and hardware to suit your design vision.
Privacy and Light Control: Optional frosted sections or tinted finishes.

Why Choose Glass Doors?

Enhance natural light and openness in any space
Improve visibility and connection between indoor and outdoor areas
Deliver modern aesthetics with minimal visual obstruction
Can be tailored to provide privacy where needed
High levels of thermal and acoustic insulation

Glass Door Performance Comparison

Brand	Model	Material	U-Value (W/m²K)	Glazing Options	Passive House Suitable	Notable Features
Internorm	AT 540	Aluminium	~0.78–0.84	Triple glazing	✅ Yes	Modern flush design, thermal insulation, secure and sleek
Internorm	AT 530	Aluminium	~0.69-0.80	Triple glazing	✅ Yes	Square-edge profile with strong insulation and design choice
Internorm	AT 520	Aluminium	~0.80-0.90	Triple glazing	✅ Yes	Clean modern lines, durable aluminium frame
Internorm	AT 510	Aluminium	~0.95-1.0	Triple glazing	❌	Entry-level aluminium with thermal break
Internorm	AT 500	Aluminium	~ 0.87-1.1	Triple glazing	❌	High acoustic insulation, with good thermal break
Internorm	HT 400	Timber-Aluminium	~ 0.67-0.85	Triple glazing	✅ Yes	Deep profile, heritage finish, excellent performance
Internorm	HT 410	Timber-Aluminium	~ 0.55-0.80	Triple glazing	✅ Yes	Premium finish, ideal for Passive House
Drutex	IGLO ENERGY	uPVC	~0.8	Triple glazing	✅ Yes	High insulation, modern profiles, great value
Drutex	IGLO 5	uPVC	~1.0	Triple glazing	❌	Cost-effective with decent energy rating
Drutex	IGLO EDGE	uPVC	~0.81	Triple glazing	✅ Yes	Modern edges, concealed hinges optional
Drutex	D-ART Line	Aluminium	~0.83	Triple glazing	✅ Yes	Decorative flush panel, design-led styling
Drutex	MB-86N SI	Aluminium	~0.83	Triple glazing	✅ (variant dependent)	Highly insulated with structural strength
Drutex	MB-79N SI+	Aluminium	~0.85	Triple glazing	✅ Yes	Value choice with upgraded seals and breaks
Drutex	MB-70HI	Aluminium	~1.2	Double glazing/Triple glazing	❌	Robust and thermally efficient standard option
Drutex	MB-70	Aluminium	~1.3	Double glazing/Triple glazing	❌	Budget-conscious aluminium frame
Drutex	MB-78EI	Aluminium	~1.6	FD30/FD60	❌	Fire-rated door with FD30/FD60 certification
Drutex	SOFTLINE 68	Timber	~1.1	Double/Triple glazing	❌	Traditional solid timber with glazing options
Reynaers	ML8	Aluminium	~0.98	Triple glazing	❌	Minimal frame, clean design
Reynaers	ML10	Aluminium	~0.81	Triple glazing	✅ Selected models	High-insulation profile, slim and elegant
Reynaers	SL38	Aluminium	~1.0	Double/Triple glazing	❌	Steel-look profile with heritage appeal
Reynaers	CP77	Aluminium	~1.6	Triple glazing	❌	Good thermal and acoustic insulation, robust structure
Schüco	AD UP 75	Aluminium	~1.1	Triple glazing	❌	Smart-ready flush door with top insulation
Schüco	ADS 75	Aluminium	~1.1	Triple, smart glass	❌	Thermally advanced and automation-compatible

Smart Technology Integration

Advanced glass doors from Internorm and Schüco may include:

Privacy glass
Finger scanner
Remote-controlled locking and access systems
Magnetic alarm sensors

Suitable Applications

Modern home entrances and hallways
Rear extensions and garden rooms
Balconies and internal partitions
Office and commercial settings
Passive House or high-performance homes

Warranty and Technical Support

All systems are backed by manufacturer warranties and AT-ECO’s technical expertise:

Performance and finish guarantees
Care and maintenance guidance
Assistance with glazing specification and planning
Full compliance with UK Building Regulations

Visit our showroom in Brasted, Westerham (TN16 1JP) to see examples in person and speak with a product advisor.

Our Trusted Supply Partners

Internorm – Full glass uPVC, uPVC-aluminium, aluminium and timber-aluminium doors with passive house compatibility, concealed hinges, and optional privacy glass.
Drutex – Affordable glazed uPVC, uPVC-aluminium, Aluminium and timber systems offering good thermal values and laminated glass for safety.
Reynaers – Aluminium frames with elegant slim profiles, large glazed areas, and custom finish options.
Schüco – Advanced aluminium glass door systems with automation, smart control, and enhanced security.

Sustainability Considerations

Energy-efficient glazing to reduce heating and cooling loads
FSC-certified timber cores available in Internorm doors
Recyclable aluminium and uPVC profiles
Designed for long product life cycles and reduced material waste

Let us help you select the right glazed door solution that aligns with your sustainability goals and design requirements.

Recent Work

Working closely with architects, builders, and homeowners, we’ve delivered systems that combine thermal efficiency, modern aesthetics, and long-term durability—across private residences, sustainable developments, and architect-led designs.

Swanton House: Modern Renovation in Kent

The renovation project was successfully completed on schedule, surpassing initial insulation and energy efficiency goals by an impressive 70% and delivering a sleek, contemporary finish.

Glass Doors in uPVC, Aluminium & Timber – Supplied in London