25/03/2025
What Should I Look for When Buying a New Composite Door?
A composite door is a popular choice for homeowners looking for a durable, secure, and stylish entrance to their property.
Made from a combination of materials such as uPVC, wood and glass-reinforced plastic (GRP), composite doors offer superior performance compared to traditional timber or uPVC doors.
However, with many options available, it’s important to know what to look for before making a purchase.
1. Security and Locking System
Security should be your top priority when choosing a composite door. Look for doors that come with a multi-point locking system, which secures the door at several points along the frame, making it difficult for intruders to force entry. Many high-quality composite doors come with anti-snap, anti-pick, and anti-drill locks. Additionally, ensure the door meets PAS 24 standards, which certify that the door has been tested for security and impact resistance.
2. Material Quality and Core Construction
The durability and thermal performance of a composite door depend largely on the quality of its core. There are typically two types of cores:
• Solid Timber Core: Provides strength and a heavier, more robust feel. It offers excellent security and insulation.
• Foam Core: Lightweight and offers better thermal efficiency, helping to reduce heat loss and energy bills.
Consider your preference between strength and insulation, and choose a core that best fits your needs.
3. Thermal Efficiency and Energy Rating
A well-insulated door can significantly reduce heat loss and lower energy bills. Look for composite doors with high thermal performance, often indicated by a low U-value (the lower, the better). Many doors now come with energy efficiency ratings similar to windows, ranging from A++ to E. Aim for a door that offers at least an A or B rating to ensure your home remains warm and energy-efficient.
4. Weatherproofing and Durability
Composite doors are designed to withstand harsh weather conditions, but it’s important to check for additional features that enhance weather resistance. Look for a door with a GRP (Glass Reinforced Plastic) skin, which is highly resistant to warping, cracking, and fading.
A high-quality composite door should also have effective seals and gaskets to prevent drafts and water ingress, ensuring longevity and consistent performance.
5. Style, Design and Finish Options
Your front door plays a key role in your home’s kerb appeal. Composite doors come in a variety of styles, colours and finishes to match different architectural designs. Consider whether you prefer a modern or traditional look and choose from options such as woodgrain finishes, contemporary smooth designs, or bold colours. Many manufacturers also offer bespoke glass panel designs and hardware options to personalize the look further.
6. Glazing Options
If you prefer a door with glass panels, check the glazing options available. Double or triple glazing improves thermal efficiency and provides additional security. Decorative glass designs can also enhance the door’s aesthetic appeal while maintaining privacy.
7. Warranty and Maintenance
A reputable manufacturer should offer a warranty that covers the door’s structure, hardware, and finish. Look for a warranty of at least 10 years to ensure you’re protected against defects or faults. Additionally, composite doors are low maintenance, requiring only occasional cleaning with mild soapy water to keep them looking their best.
8. Accreditation and Certification
To guarantee quality and safety, choose a door that is accredited by recognized industry bodies such as:
• Secured by Design (SBD): A police-backed initiative that certifies doors meeting high security standards.
• BSI Kitemark: Ensures the door has been tested for safety and quality.
Conclusion
When buying a new composite door, balancing security, energy efficiency, durability and style is key. Paying attention to the door’s construction, locking system and weatherproofing capabilities will ensure that your investment not only enhances your home’s security but also improves its appearance and energy performance.
Take time to compare options and choose a door that meets your needs and complements your home’s style.
Call: 0800 1700 636 and speak to one of our qualified advisors today!
