How Secure Are Aluminium Windows?
Aluminium windows are among the most secure you can fit, with rigid frames, multipoint locking and testing to recognised standards. Here is what keeps them safe.
Aluminium windows are among the most secure you can fit. The strength starts with the rigid metal frame, which resists the forcing and prying intruders rely on, and is completed by multipoint locking and, on quality systems, testing to recognised security standards such as Secured by Design. A well-specified aluminium window is a genuine deterrent, not just a barrier.
Windows are a common target because they can be a weak point. Choosing the right frame and locking turns that weak point into a strength. Here is what makes an aluminium window secure.
Why the frame material matters
A lock only works if the frame around it holds firm. Aluminium is inherently rigid, far more so than plastic, so it resists the levering and flexing that intruders use to defeat a window. The frame does not give, which means the locking points stay engaged under pressure. That structural strength is the foundation of window security.
What locking do secure aluminium windows use?
Quality aluminium windows use multipoint locking, engaging the sash to the frame at several points rather than a single catch. On opening windows, strong stainless steel friction hinges hold the sash firmly, and locking systems can be specified to bind the window tightly shut. Spreading the locking across multiple points means force at any one spot is resisted by the whole system.
What do the security standards mean?
Two names are worth knowing. Secured by Design is the official UK police security initiative, and products that meet it have been assessed against real-world crime prevention criteria. Recognised test standards for windows verify that a window can resist a determined attempt using common tools and methods. When a window carries these, you have independent evidence of its security rather than a marketing claim.
What about the glass?
The glazed unit finishes the picture. Toughened or laminated glass is far harder to break through than ordinary glass, and internal beading, where the glass is held in from the inside, means the pane cannot simply be removed from outside. Together with a strong frame and good locking, this makes forced entry genuinely difficult.
Are aluminium windows more secure than uPVC?
Both can be secure with the right locking, but the rigid aluminium frame gives it a head start, because it resists prying and flexing better than a softer plastic frame. If security is a priority, aluminium is a strong choice.
Windows that protect as well as they perform. SmartaView aluminium windows are priced live online with free UK mainland delivery on all orders. See the range at smartaview.com.
Frequently asked questions
Are aluminium windows secure?
Yes. A rigid aluminium frame, multipoint locking and testing to standards like Secured by Design make aluminium among the most secure window options.
What locking do aluminium windows use?
Multipoint locking that engages the sash to the frame at several points, along with strong friction hinges on opening windows.
What is Secured by Design?
The official UK police security initiative. Products that meet it have been assessed against real crime-prevention criteria.
Is the glass secure too?
Toughened or laminated glass with internal beading is far harder to break or remove than ordinary glass, completing the window's security.
Related reading
Author at Smartaview, writing about aluminium glazing, home improvements and the buying process.
