Heritage aluminium French doors
Browse the doors below. Open the full specifications and buying advice, or ask our team for help choosing your doors.
About this range & buying advice
Heritage Aluminium Doors
Traditional charm meets modern performance with our premium heritage aluminium door collection.

Heritage Single Door
Classic heritage single door combining traditional Georgian styling with modern aluminium construction and security features.

Heritage French Doors
Elegant heritage French doors featuring traditional styling with modern thermal efficiency and enhanced security systems.

Heritage Doors with Side Panel
Heritage French doors, paired with matching side panels, create wider openings while maintaining traditional proportions and styling.

Heritage French Doors with Side Panels
Complete heritage door system featuring French doors and matching side panels, providing maximum light and traditional elegance.
Sheerline Heritage Aluminium French Doors Bristol

Premium Made-to-Measure French Doors Crafted in Bristol
Transform your home with Sheerline heritage aluminium French doors from Garnalex, Bristol's premier door manufacturer. Made in Britain and delivered directly to your door, our expertly crafted French doors seamlessly blend traditional heritage aesthetics with modern aluminium engineering, offering exceptional performance and timeless style.
Why Choose Sheerline Heritage Aluminium French Doors?
Garnalex Sheerline French doors represent the perfect fusion of heritage design and contemporary functionality. Manufactured in our Bristol facility, each door system is precision-engineered to meet the highest standards of quality and durability.
Key Features:
- Heritage aluminium construction - Combines classic styling with modern performance.
- Made in Britain quality - Proudly manufactured in Bristol and delivered to your door.
- Made-to-measure service - Every door system is custom-built to your exact specifications
- Matching windows available - Complete your project with coordinated window systems
- Multiple threshold options - Choose from low, standard, or accessible thresholds
- Extensive glass pattern selection - Personalise your doors with decorative glazing options
- Check U-values online - View thermal performance ratings for all configurations.

Complete Window and Door Solutions - Made in Britain
Garnalex Sheerline offers a comprehensive range of matching windows available to complement your heritage aluminium doors. Achieve a cohesive architectural appearance with our coordinated window and door systems, all manufactured in Britain and delivered directly to your door.
Matching Window Options:
- Heritage aluminium casement windows - Traditional styling with modern performance
- Tilt and turn windows - Contemporary functionality with heritage aesthetics
- Fixed glazing systems - Perfect for picture windows and large glazed areas
- Bay and bow windows - Classic architectural features in matching aluminium
- Coordinated hardware and finishes - Seamless integration across all products
U-Values and Thermal Performance
Check U-values online for all Sheerline heritage aluminium products. Our comprehensive technical specifications include:
French Door U-Values
Standard double glazing: 1.4 W/m²K
High-performance double glazing: 1.2 W/m²K
Triple glazing options: 0.9 W/m²K
Thermally broken frames: Enhanced thermal efficiency
Window U-Values
Casement windows: From 1.2 W/m²K
Tilt and turn systems: From 1.1 W/m²K
Fixed glazing: From 1.0 W/m²K
Choice of Thresholds for Every Application
Select from our comprehensive range of French door thresholds to suit your specific needs:
Low Profile Thresholds
- Minimal step height for easy access
- Ideal for elderly or mobility-impaired users
- Weather-sealed performance
- Suitable for most residential applications
Standard Thresholds
- Traditional height for optimal weatherproofing
- Enhanced thermal performance
- Robust construction for high-traffic areas
- Excellent water and wind resistance
Accessible Thresholds
- Compliant with accessibility standards
- Wheelchair-friendly design
- Zero or ultra-low step configuration
- Maintains security and weather protection
Decorative Glass Patterns and Options
Enhance your Sheerline heritage French doors with our extensive selection of glass patterns:
Traditional Patterns
- Georgian bars - Classic divided light appearance
- Astragal glazing - Authentic heritage styling
- Leaded light effects - Traditional diamond and rectangular patterns
- Margin glazing - Elegant border detailing
Contemporary Options
- Clear glazing - Maximum light transmission
- Obscure glass - Privacy with natural light
- Tinted glass - Solar control and aesthetic appeal
- Decorative etching - Bespoke pattern options
Performance Glazing
- Double glazing - Enhanced thermal efficiency
- Triple glazing - Maximum energy performance
- Low-E coatings - Advanced thermal control
- Acoustic glazing - Superior sound insulation

Heritage Aluminium Benefits
Sheerline heritage aluminium French doors offer numerous advantages over traditional materials:
Durability and Longevity
- Corrosion-resistant aluminium construction
- Weather-resistant powder coating finish
- Minimal maintenance requirements
- 20+ year performance guarantee
Energy Efficiency
- Thermally broken profiles
- High-performance glazing options
- Excellent air-tightness ratings
- Reduced heating and cooling costs
Security Features
- Multi-point locking systems
- Reinforced aluminium frames
- Secure glazing retention
- Optional security upgrades
Design Flexibility
- Wide range of colours and finishes
- Custom sizing capabilities
- Various opening configurations
- Architectural detailing options
Frequently Asked Questions
Sheerline Heritage doors combine the traditional aesthetic of Georgian and Victorian styling with modern aluminium performance. Key differences include:
- Authentic heritage profiles - Designed to replicate traditional timber door proportions
- Period-appropriate glazing bars - Available in various configurations to match historic styles
- Enhanced thermal performance - Modern thermal breaks and high-performance glazing
- Superior security - Multi-point locking systems and reinforced frames
- Low maintenance - Unlike timber, it requires minimal upkeep while maintaining a traditional appearance
We offer three main threshold types to suit different needs:
- Low Profile Thresholds (15-20mm) - Best for elderly users, wheelchairs, or minimal step requirements. Good weather protection with easy access.
- Standard Thresholds (35-45mm) - Traditional height offering excellent weatherproofing and thermal performance. Ideal for most applications with standard access requirements.
- Accessible Thresholds (0-15mm) - Fully compliant with Part M Building Regulations. Perfect for wheelchair access while maintaining weather sealing.
Your choice depends on accessibility needs, local weather exposure, and building regulations. Our team can advise on the best option for your specific situation.
Yes! Matching windows are available across our entire Sheerline Heritage range. This includes:
- Heritage casement windows - Traditional opening styles with modern performance
- Tilt and turn windows - Contemporary functionality in heritage styling
- Fixed glazing systems - For picture windows and large glazed areas
- Bay and bow windows - Classic architectural features
All windows feature coordinated hardware, finishes, and glazing options to ensure a seamless architectural appearance throughout your project.
You can check U-values online for all our products. Our Heritage doors achieve excellent thermal performance:
- Double glazing - 1.2-1.4 W/m²K (better than most timber doors at 1.8-2.2 W/m²K)
- Triple glazing - 0.9 W/m²K (exceeds Building Regulations requirements)
- Thermally broken frames - Prevents cold bridging for enhanced efficiency
Lower U-values indicate better insulation, lower energy bills, and enhanced comfort. Our aluminium doors significantly outperform traditional timber while maintaining the heritage aesthetic.
As all our products are made in Britain at our Bristol facility and delivered directly to your door:
- Standard configurations - 4-6 weeks from order confirmation
- Bespoke sizing/finishes - 6-8 weeks for complex specifications
- Large commercial orders - 8-12 weeks, depending on quantity
Being manufactured locally means faster delivery times, better quality control, and reduced environmental impact compared to imported alternatives.
One of the key advantages of heritage aluminium doors is their minimal maintenance requirements:
- Annual cleaning - Simple wash with warm soapy water
- Hardware lubrication - Light oil on hinges and locks once yearly
- Drainage channels - Clear any debris from the drainage holes
- Weather seals - Visual inspection, replacement only if damaged
Unlike timber doors, there's no need for regular painting, staining, or wood treatment. The powder-coated finish is designed to last 20+ years without deterioration.
Security is built into every Sheerline Heritage door as standard:
- Multi-point locking systems - Multiple locking points for enhanced security
- Reinforced aluminium frames - Superior strength compared to timber or uPVC
- Secure glazing retention - Glass units securely held from inside
- Anti-drill cylinders - High-security lock cylinders as standard
- Secured by Design option - Police-approved security standards available
Optional upgrades include laminated security glass, enhanced lock cylinders, and additional security hardware for maximum protection.
Yes, our Heritage doors are specifically designed for use in conservation areas and listed buildings:
- Authentic proportions - Designed to match traditional timber door dimensions
- Period-appropriate glazing - Georgian bars, leaded lights, and traditional patterns
- Heritage colour options - Traditional colours thatcomply with conservation requirements
- Slim sightlines - Modern performance without compromising historic appearance
We recommend checking with your local planning authority before ordering, as requirements vary from one area to another. Our team can provide technical drawings and specifications to support planning applications.
Contact Bristol - Made in Britain, Delivered to Your Door
Ready to transform your home with Sheerline heritage aluminium French doors and matching windows? Contact Bristol's leading door and window manufacturer today:
Master Plastics SW Ltd - Bristol Manufacturing
- Expert consultation and design
- Check U-values online for all products
- Matching windows are available for complete projects
- Comprehensive quotation service
- Professional installation teams
- Made in Britain, delivered to your door
- Full warranty and aftercare support
Transform your living space with premium made-to-measure French doors and matching windows, crafted with pride in Britain and delivered directly to your door by Garnalex's skilled artisans.
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