An unexpected consequence of the global pandemic has seen increasing numbers of people taking more of an interest in environmental issues, locally, regionally, and nationally. Coupled with radical new climate change commitments set to put the UK on course to cut carbon emissions by 80% by 2023, boosting the energy efficiency of homes across Wolverhampton and the Midlands has become a top priority for many. After all, heating and powering buildings make up 35% of the UK’s total energy usage.

So, if you like the idea of saving the planet whilst saving money on your energy bills with an energy efficient front door replacement, this is the blog for you!

Our Energy Efficient Doors

What type of front door is the most energy efficient?

Black arched Apeer composite door

Composite door from the Apeer range

Generally speaking, modern composite doors like Apeer composite doors tend to come out on top when Wolverhampton homeowners seek the most thermally efficient front door replacement, thanks to the many different materials utilised in their construction.

That said, today’s aluminium and uPVC entrance doors all combine fantastic energy efficient qualities, it’s just that quality composite doors work that little bit harder to keep your family warmer for longer.

What are energy efficient doors?

External door replacements in England and Wales must meet current Building Regulation standards to make sure they are secure, accessible, and thermally sound, where Conservation of fuel and power: Approved Document L sets the standard for the energy performance of new and existing buildings.

To make sure exterior residential entrance doors deliver good thermal insulation, since October 2010, to comply they must have a minimum U-value of 1.8W/m²K or a door Energy Rating band of E or less.

Our Energy Efficient Doors

What does U-value mean?

U-values are a measurement that indicates how easily heat can pass through a specific construction material. Calculated by combining the thermal resistance of the door panel and all its components (the frame, glazing, air spaces, gaps, and fixings), the lower the U-value the easier it will be to maintain a comfortable temperature inside your home.

How can you prevent heat loss in a front door?

To help you out, we’ve put together this energy efficiency comparison table of our front door products that you can quickly refer to whilst doing your own research:

Door Material U-value Energy rating Double Glazing Triple Glazing Unique features
Composite 1.8 A+ ✔️ ✔️ Foam-filled GRP, solid timber, or double rebated options
Aluminium 1.8 A+ ✔️ ✔️ Advanced thermally broken frames
Steel 0.9 A+ ✔️ ✔️ High-density fireboard core
uPVC 1.2 A+ ✔️ ✔️ Multi-chambered frames

U-value vs energy rating – what’s the difference?

A door energy rating is a method of assessing the total energy performance of a door, whereas the U-value measures how well the door panel will transfer heat.

As you can see, all our entrance doors follow or exceed current minimum door efficiency standards.

red door

Front door

Energy-efficient entrance doors in Wolverhampton, Dudley, Sutton Coldfield & beyond

Talking of sustainability, shopping locally helps the environment by reducing miles travelled which, in turn, lessens air pollution and greenhouse gas emissions. Take your home improvement project to the next level by shopping locally with Wolverhampton Glass, your leading double glazing supplier and installer serving The Midlands.

Use our state-of-the-art composite door designer, read our TrustPilot reviews, browse through our gorgeous installation gallery, or contact us to discuss our energy-efficient renovation products further.

Doors By Wolverhampton Glass

As leading installers of replacement door solutions, we offer an extensive range of high-performance front and back doors for homeowners across the Midlands.


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At Wolverhampton Glass, you’ve got complete peace of mind as we are fully accredited by all the relevant regulatory bodies. We are a Certass registered company and are also proud to offer a 10 year insurance backed guarantee on every installation as standard.

Over our 35 years, we’ve built up quite the local reputation too. Take a look at some of our recent customer reviews from homeowners across the Midlands.

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