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Created using the highest quality materials and design elements, our aluminium doors are strong, lightweight and offer an unrestricted vista.
Klosen is a leading installer of slimline aluminium doors, working with luxury door manufacturers from across the UK and Europe. We have 25+ years of experience delivering fantastic window and door installations for homeowners across East England and London. We regularly install aluminium doors on extensions, new builds and period properties.
Download a brochure to find out more about our customisable aluminium door styles.
Get your free quote today. All installations come with a 10-year guarantee.
Our folding glass doors with aluminium frames afford a seamless, uninterrupted view of your exterior spaces – even when the doors are closed.
Designed to offer a wide opening, with a discreet folding system, aluminium bi-fold doors come with a versatile range of styles. Door leaves can fold inwards or outwards, depending on your preference. Plus, an advanced roller system facilitates ease of use. Every bi-folding door segment is thermally insulated with snug, weather-tight gaskets that maintain the highest levels of draught-free insulation and noise reduction.
Available in single, double or triple track configurations, our slimline sliding doors are versatile enough to accommodate even the largest of openings. The strength-to-weight ratio enables them to easily glide into an open position, creating the perfect doors to frame your view with minimum effort.
Our aluminium front doors are made-to-measure and manufactured with cutting-edge thermal technology.
This means your home will remain warm in the winter and cool in the summer. Our bespoke range of products combine high-quality frames with elegant door panels, creating the ideal modern welcome to your home. These modern materials are ideal for adding an innovative flair to the front of your house. Stand out on your street with this uniquely stylish yet practical front door solution.
Cortizo Doors: Helping to transform properties since 1972, Cortizo bi-fold doors offer up to 14 sashes with a maximum glazing area to enhance natural light exposure and views.
Senior Architectural Systems (SAS): British-based door manufacturers, SAS, provide aluminium door systems that are perfect for both commercial and residential buildings.
Indupanel: With innovation being their core focus, Indupanel offers stylish front doors that make a statement. They’re meticulously engineered for optimal thermal performance and security.
With over 25 years’ experience installing aluminium doors and windows, we’re committed to delivering on your property design goals with minimal effort on your part. We partner with top quality craftsmen and brands to ensure the best possible finish that you can enjoy for years to come.
We offer a 10 year guarantee on all aluminium profiles and 25 years for the powder coating element
Stay warm in the winter and cool in the summer whilst cutting down on energy bills
Our team are flexible throughout the entire process, including the design and installation of windows
Klosen have over 25 years experience working with designers, architects and homeowners
We cover areas across a 60 miles radius from our Lincolnshire-based premises in Market Deeping. We’re ideally located to complete installations of aluminium windows and doors in Peterborough and the surrounding areas, including Stamford, Lincoln and London.
We’ve been trusted to install windows for some big-name clients, including for the ABBA Arena, and Cortizo windows even made an appearance on Channel 4’s Grand Designs.
Our specialist installers are experienced with fitting windows for both commercial and residential buildings. Get in touch with the expert installers at Klosen today.
Aluminium door frames from Klosen are powder-coated in a colour of your choosing. This is designed to last and is resistant to discolouration or fading. If you fancy customising your door frames after a few years, the good news is that you can. Just make sure to choose a paint that’s suitable for aluminium or metal.
Aluminium doors are a more secure home improvement compared to uPVC. Aluminium is stronger and the profiles from our brands are combined with additional security features and locking mechanisms, to further improve the security of your property.
Yes. Our aluminium doors are made-to-measure. They are also available with a wide range of styles, frame colours, opening systems and locking mechanisms. You choose the door design you want.
