The ultimate guide to aluminium front doors

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Nick Dardalis

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Buying aluminium front doors means enhancing a property with great designs, slim, strong frames, excellent security, and improved energy efficiency. Our guide to some of the best aluminium front door brands gives more information. Here’s how to choose the right aluminium front doors covering security, insulation and the all-important aluminium panels making up most front doors.

aluminium front doors in new build

What you should know when buying new aluminium front doors

Perhaps you’re looking to replace a dated front door or looking for the best product for a new build home. The range of front doors available in the UK today is substantial, as are the price points. Whether your new front door contrasts with your property or comes designed to work with its existing style, aluminium doors all meet this purpose. It is tempting to get confused with all the brands, options, prices and sales messages, so this article aims to simplify the process. Here is what you don’t need to worry about when buying any aluminium front door.

The aluminium quality

First, there is no bad front door on the market. Here is why the aluminium quality is largely the same, because aluminium must meet a set standard of quality for exterior use or, more specifically, architectural use.

If you’re happy with a budget door, these will give you a fit-for-purpose product. The better-engineered products give you more by way of quality, specifications, U-Values and engineering. Quality matters significantly when buying aluminium front doors.

The panels used in aluminium front doors

Most aluminium front doors you’ll come across use a decorative aluminium panel. Whilst these panels are generally very good quality and come from expert door panel manufacturers, they don’t fall under the same standards you get with glass, doors and windows.

Glass comes with set safety standards. For instance, CE Marking and Declaration of Performance. BS EN 12150-1 is another standard around glass tolerances, flatness, fragmentation and the actual glass thermal characteristics. Then you have BS EN 1279 and this standard is about units passings tests for moisture penetration. Of course, many people already recognise a Kitemark as a symbol of quality. Glass units have this too.

Panels broadly speaking do not have anything near the standards expected of glass. A basic aluminium door panel comprises 0.6mm or thicker aluminium sheet, powder-coated to the desired colour. These aluminium skins bond onto different inner cores. Some of these are basic polystyrene, others have a combination of polystyrene or timber. Some even have steel within the core.

What does this mean when choosing a new front door? In simple terms, the more expensive front door is one using a fully integrated door panel giving the appearance of a flush door. This doesn’t mean the glaze-in panel method is bad. Far from it and these doors are some of the best and most popular on the market.

As the image below shows, a quality aluminium front door looks flush, seamless and without the glazing line of one where an aluminium panel replaces the glass. The one with the seamless panel is the better-made door, but this doesn’t mean the glaze-in versions are substandard.

The glass you get in your new front door

There are lots of marketing messages around how good the insulation of the glass is in the door panel. And mostly this is correct. Most aluminium door panels come with double or triple glazed units. Furthermore, all of these use toughened or laminated glass.

However, it’s worth looking deeper at the performance of the glass. If you’re looking at an excellent front door like Spitfire S200 or S500, the glass in these, even at 28mm or 40mm thick. Other brands like Glasswin front doors choose to put quadruple glazing as standard. Glass doesn’t give you anywhere near the low U-Values of an aluminium panel. But if you choose a better performance glass unit, the overall door performance improves as a result.

What security means on a new front door

As you do your research around new front doors you’ll come across all sorts of high security messages. Secured by Design, Document Q, RC2, PAS24 and others. It’s easy to see a security rating or badge and presume your door is security tested.

The good news is, most good brands of front doors have a security rating. What you may not know is what configuration and specification of that same brand of door passed the test.

The door systems companies submit for testing is usually a particular door type and with specific glass, hardware and perhaps security enhancements you don’t get as standard with your door. Laminated glass is almost always used in doors submitted for testing, so check out whether your door comes with this.

Hörmann is another fine brand of front doors. One of many doors by Hörmann with a Secured by Design (SBD) rating is their ThermoPro Steel Entrance Single Leaf Doorset Range. But study the product submitted for testing and it’s a half or part glazed door, opening inwards, without a letterbox.

As another example, the Spitfire S500 also has the required security certification, RC3. This is for a door with a triple glazed laminated glass unit, fitted with Schuco hinges, a Schuco low threshold, Siegenia LFU Lock, Winkhaus three-star cylinder and Riechmann Handle. The model tested is a single door at 900x2100mm high.

The crucial information here is your door must be the same as the model submitted for testing. So if you’re choosing a door having perhaps an automatic lock or toughened glass. Maybe you require a different handle, or your door has a sidelight and is wider and taller than standard. Your chosen product may not have the specification of the model that passed the security tests.

Does this mean you get a more secure door or you should worry? No. However, it’s worth knowing when choosing your new front doors. Often you need to ask for the high security upgrade – don’t assume it comes as standard. The same applies to those doors offering automatic, keypad, finger-print and other locking options. Many front doors aren’t security tested with a letterbox. Check these doors have security certification with any optional extra hardware.

The good news is, a quality product comes with several high security lock types, whether operated by a key, mechanically, automatically or a handle. The door cylinder is also a crucial part of the lock experience and should be a highly rated type. Check for anti-picking, drilling and bumping specifications.

The door hinges additionally play a part in the door security. Look for robust hinge designs, hinge pins and ask for an explanation of the components that make up the door set.

Understanding U-Values on your new front door

U-Values on doors and windows are widely marketed. The lower the U-Value the better the performance of the door. Aluminium panels actually provide excellent U-Values as a stand-alone product. In fact, many panels provide better insulation than glass. But don’t just take the performance of the panel as an indicator.

When reading U-Values for your new front door, it’s the entire doorset that matters, not the panel material on its own.

Other factors giving you good U-Values is the glass thickness and type. The aluminium profiles have a thermal break and this plays a part too. It’s also important to consider the overall thickness of the door leaf, glass and panels. A quality aluminium door will come with a panel well over the 28mm provided by the glaze-in types. The door leaf should also be more than 40mm thick on a good door brand, again helping achieve low U-Values.

glasswin aluminium front door designs

Other things to look for when buying new aluminium front doors

Study the paint quality, look at the door joints, feel the quality of the door hardware. These are just some of the first visual clues to a quality product.

Check out how the glass meets up with the aluminium panel. Are the joints neat and seamless? The overall assembly of the door and how it feels is another great visual indicator of quality. Yes, aluminium is light and strong. However, a good front door won’t feel light and flimsy when closing. It should close with a reassuring thunk, feel solid and robust.

There are some great doors on the market and the quality is evident. Highly engineered hinges with security pins, even hidden into the frame and branded with Reynaers, Schuco, Yale, Winkaus or other trusted brands tell you there’s a great system and components in the door.

If a door brand takes the trouble to offer top brand hardware, quadruple glazing, high quality hardware, this should reassure you as to the quality and reliability of the product.

Of course, ask about the guarantee coming with the product and what exactly it covers. Some doors come with only a five-year warranty on the glass despite being marketed with a 10 or 20-year warranty.

Finally for the paint finish. A good quality door will come with a paint finish professionally applied by a certified and quality assured powder coating company. Many products come with a thicker marine-grade coating.

How much should a new front door cost?

A basic PVCu door is the cheapest type of new front door on the market. These are then followed by composite doors such as Door-Stop, Solidor, Truedor, and other brands. These typically start at about £1000-1200 supplied and fitted.

Timber doors usually start at about £2500 upwards depending on the material, hardware and other options.

Aluminium doors start at around £1500-£1800 for a good mid-range model rising upwards for the premium brands. Companies like Urban Front charge several thousand for their bespoke versions.

Above all, you get what you pay for. You need only to look at some of the faded front doors in new build homes to see a cheap product and how it looks after only a few years of use. Aluminium doors need minimal maintenance and a routine clean with a mild soapy solution to keep them looking new and fresh.

The UK market doesn’t know aluminium front doors as much as the composite version. Whilst the aluminium door will cost more, they’ll last longer and are more of an investment. It’s interesting that composite doors are very much a UK product – it’s hard to find these doors in other markets where aluminium or steel remains the go-to materials when buying a new front door.

More information about aluminium front doors

Use our contact form to get in touch and find out more about buying a new aluminium front door for your home.


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16:42 30 Oct 23
Nick responded incredibly quickly to my enquiry (on a Saturday too!), and was able to offer invaluable advice on both aluminum systems and manufacturer / suppliers. Thanks Nick!
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16:18 09 Oct 23
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19:55 13 Sep 23
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07:03 11 Sep 23
Update - A second email to nick for help on bifolds resulted in a detailed informative reply even on a Sunday ! This guy is so knowledgable and helpful .I approached Nick for an independent view on sliding doors v bifold and the different brand options . His reply was extremely detailed and prompt and allowed me to navigate this often confusing world in a much more informed way . Thanks so much Nick
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12:45 05 Sep 23
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20:24 26 Jul 23
I contacted Nick @ ATS for guidance on what aluminium sliding door systems would be suitable for an opening in an extension that is going to be both wide and tall. He came back really quickly with very detailed and incredibly helpful advice. He is clearly extremely knowledgeable about the systems on the market and their respective features and capabilities. If you’re feeling a bit lost by the overwhelming range of choices out there, I’d definitely recommend contacting him.
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12:28 14 May 23
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10:06 04 May 23
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Nick from Aluminium Trade Supply was incredibly helpful informative and pleasant to deal with. He responded quickly to emails and was very knowledgeable. Highly recommend being in touch with Nick if you are considering new aluminium windows or doors.
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20:21 22 Feb 23
I dropped Nick at Aluminium Trade Supply an email re high security slim sightline bi-folds and their alternatives and he responded that quickly (and so comprehensively) that I felt bad I’d not paid him for his time!Nick Sir your product knowledge is outstanding and you are providing a level of service that goes wayyyy above and beyond expectations. I’ll definitely make sure I mention Aluminium Trade Supply to anyone I encounter looking for a fenestration solution 🙏🏼
15:13 13 Feb 23
We are looking to replace some old UPVC patios doors with aluminium ones. The ATS website is a great source of advice in an area where clear information is sorely lacking. Having used the website, I then followed this up with a number of specific questions relating to our search, and Nick came back very quickly with clear, detailed and very useful advice.I have been very impressed with both the website and with Nick's advice. My only regret is that I didn't come across ATS before replacing various windows in 2021 - I'm sure it would have saved me a lot of grief and money! Thanks again Nick.
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