NEED SOME HELP? CALL 01625 442899 or EMAIL

A complete guide to front door thermal efficiency | Materials and features to look for

John Collins - Managing Director

Author: John Collins - Managing Director

Your front door serves as the gateway to your home, and its thermal efficiency plays a crucial role in maintaining a comfortable and energy-efficient living space. However, Vufold’s recent survey found that half of Brits are unsure which materials are thermally efficient when finding a front door.

Here, we discuss the importance of front door thermal efficiency, exploring factors influencing good thermal performance. We also discuss how Vufold's external front doors contribute to a cosy, well-insulated home.

The importance of front door thermal efficiency

A thermally efficient front door is essential for various reasons, including:

Energy Conservation: A well-insulated door helps regulate indoor temperatures, reducing the need for excessive heating or cooling. This translates to energy savings and lower utility bills. Find out more about the benefits of energy efficient front doors here.

Comfort: A thermally efficient door minimises drafts, creating a more comfortable living environment. It prevents cold air from entering during winter and keeps the heat out during summer, contributing to consistent indoor temperatures.

Environmental Impact: Energy efficient doors align with sustainable living practices by reducing overall energy consumption. This minimises your carbon footprint and supports environmental conservation efforts.

Infographic banner showing you how you can save on energy bills with vufold front doors

What factors influence front door thermal efficiency?

Material Selection

Here are some popular materials for front doors and a guide to how they provide good thermal efficiency:

Wooden front doors

Vufold offers a range of wooden front doors, known for their natural insulation properties. Properly treated and sealed wooden doors contribute to effective thermal efficiency.

Offering a more traditional feel for your home, Vufold’s wooden front doors are made with toughened safety glass and fitted with double glazed panels to ensure excellent thermal efficiency. Our timber doors are available with side panels to both sides or to one side, and side panels can be combined with either solid doors or glazed front doors. At Vufold, our timber doors offer U-values of 1.6W/m2K when fitted with our optional frame kit.

Composite front doors

Composite doors, combining materials like wood and uPVC, offer excellent insulation. Vufold's composite front doors provide durability and thermal performance.

Find out whether composite front doors are more thermally efficient than uPVC front doors here.

Composite provides exceptional quality and durability, ensuring your doors serve as a long-term investment. You can enjoy double glazing and excellent thermal performance with our range of composite front doors. At Vufold, we offer both a traditional and contemporary range of composite doors, and our doors offer a PU Foam core for the best levels of thermal efficiency. Keeping your home warm as we reach the cooler months – our composite front doors offer impressive U-values of 1.4 W/m2K (Energy Rating B).


Shop our traditional composite front door range

Vufold Traditional front door
  • Thermally Efficient - U Value of 1.4 W/m2K (Energy Rating B)
  • Safe and Secure - PAS 24 in line with Document Q tested
  • Easy Install - full fitting kit included
  • Guarantee - 10 Years.

View our traditional composite front door range.

Aluminium front doors

Aluminium is known for its durability, and although it is not a natural insulator – modern aluminium front doors often offer exceptional thermal efficiency. This is due to features such as thermal breaks and insulating cores to enhance its thermal performance, allowing you to enjoy both excellent strength and insulation.

At Vufold, we offer a range of aluminium front doors that are available in both double and triple glazing. With a high-density foam core and polyamide thermal breaks to ensure superior insulation and reduced heat loss, our aluminium front doors offer U-values from 1.2W/m2K.

Read our guide to the U-values offered by front doors with glazing here.

What is weather stripping, and why is it important?

Weather stripping is vital for thermal efficiency. It involves installing a seal or gasket along the edges of doors and windows to prevent air leakage and the infiltration of external elements, such as rain, wind, and dust.

High-quality weather stripping around the door frame prevents air leaks and enhances thermal efficiency. Vufold's external front doors are designed with precision weather stripping to ensure optimal insulation.

Insulating cores

Some doors, such as Vufold’s range of front doors, feature insulating cores that enhance thermal efficiency. These cores contribute to both energy savings and a comfortable interior.

The type of glazing

Front doors with double or triple glazing provide an additional barrier against temperature transfer. Vufold's range includes doors with both double and triple glazing for enhanced insulation.

For more information on glazing, read our guide Do front doors with glazing offer good U-values?

Shop our complete range of front doors here.

Correct installation

Correct installation of a door is essential for optimal performance. If you don’t feel confident installing a front door yourself – we recommend getting in touch with a professional installer.

Look for the door’s U-value

A U-value is a measurement of a door’s thermal performance. Essentially, it tells you how effective a door is at preventing heat from escaping your home. Lower U-values indicate better insulation and, consequently, higher energy efficiency. Read our guide What is the most energy efficient front door? to find out more about U-values.

Infographic asking how much do UK homeowners know about front door thermal efficiency.

Read our research on whether homeowners prioritise thermal efficiency here.

Does Vufold offer thermally efficient front doors?

Vufold's commitment to providing energy-efficient solutions is evident in its range of external front doors. From wooden doors with natural insulation to composite doors with insulating cores, Vufold prioritises thermal efficiency without compromising style.

Prioritising front door thermal efficiency is a wise investment for homeowners seeking comfort, energy savings, and environmental sustainability. By choosing doors from reputable suppliers like Vufold, you can ensure a cosy and well-insulated home.

Buying Vufold Front Doors

Our affordable and transparent pricing and seamless configuration system allow you to install a beautiful, strong, and secure front door in your home within a matter of days. Other benefits of choosing Vufold include:

  • Outstanding thermal efficiency

  • Enhanced security features

  • Easy installation and maintenance

  • Sleek and stylish door front door range, offering various materials and colours.

Explore Vufold's external front doors to discover the perfect blend of style and efficiency for your entryway.


Modern Vufold front door - inside view

A premium product that is sure to enhance any property. Signature Doors from Smart offer style, security, thermal efficiency, and very low maintenance making them a great option for the modern family.

  • Multi point locking system
  • High-density foam core and polyamide thermal breaks
  • 3-star security cylinder
  • Laminated glass.

Shop our Signature aluminium front door range.

Frequently Asked Questions

How do I know if my front door is thermally efficient?

Look for doors with high-quality weather stripping, insulating cores, and energy-efficient materials such as wood or composite. Vufold's external front doors are designed with these features for optimal thermal efficiency.

Can I improve the thermal efficiency of my existing front door?

Yes, consider adding weather stripping, installing a door sweep, or applying insulating films. However, for a significant improvement, upgrading to a thermally efficient door, like those offered by Vufold, is recommended.

What is the U-value, and how does it relate to thermal efficiency?

The U-value measures a door's thermal transmittance. A lower U-value indicates better insulation. Vufold's external front doors boast low U-values, ensuring top-notch thermal efficiency.

Are wooden doors energy-efficient?

Yes, properly treated and sealed wooden doors exhibit natural insulation properties. Vufold's range of wooden front doors contributes to energy efficiency while adding a touch of elegance to your home.

How do composite doors compare to other options in terms of thermal efficiency?

Composite doors, like those offered by Vufold, excel in thermal efficiency due to their combination of materials, providing strength, durability, and insulation.

Is aluminium a thermally efficient material?

Yes, modern aluminium front doors often feature thermal breaks and insulated cores, making them an impressive option when it comes to thermal efficiency.

Awards banner
Awards banner


John Collins - Operations Director


John Collins - Managing Director

About John Collins

John has built Vufold into a unique online door and window company and has spent 20 years bringing innovative products and designs to fruition, recognising niches in the market and placing them in the likes of Wickes and Travis Perkins, he started Vufold in order to sell them directly. John founded Vufold and has amassed a wealth of experience in product design and development, and in particular timber-based products

Read more about John Collins