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Aluminium Door Installation
Cortizo Vision Slimline Sliding Doors at Night
Modern house with aluminium doors and windows
folding doors open onto patio area
patio area with outdoor furniture and aluminium doors and windows on the house

Klosen – Light | Space | Lifestyle

Aluminium Doors and Windows

With over 25 years of experience in the glazing industry, Klosen supplies quality bespoke aluminium doors and windows for both commercial properties and ambitious homeowners. Take a look at our range and upgrade your property today.

We work closely with architects, builders, designers and homeowners to provide luxury aluminium windows and doors and transform both contemporary and traditional properties across Peterborough and Cambridgeshire.

We pride ourselves on installing premium quality doors and windows in Peterborough. For homes that want elegant frames, more natural light, and exceptional levels of insulation, aluminium is a superb choice that’s engineered to last.

We supply and manufacture aluminium bifolding doors, sliding doors, slimline aluminium windows, curtain walling and roof lights.

We are professional installers and provide our service to the highest standard, all our fittings are discreet and can support your choice of second or triple glazing.

Browse one of our brochures or visit our showroom of aluminium doors and windows today.

Aluminium Doors

Our variety of sliding and folding aluminium doors will bring your home to life, flooding it with natural light. Frames fashioned out of high-quality aluminium components, supporting large areas of glass to offer unrestricted views, with the strength-to-weight ratio enabling them to be formed easily into any opening.

Offering magnificent views when closed and an uninterrupted outlook when opened, they allow you to enjoy that precious balance of outside and inside from the comfort of your property.

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Aluminium Windows

Our aluminium windows sit comfortably with the contemporary lifestyle; they are elegant, strong and chic. Because every design is bespoke, you can adapt them to suit any space with a wide variety of window types available.

From inward-opening, outward-opening, side hung, top hung, tilt-and-turn, sliding and sash windows, there are numerous options available. With many A-rated options – glass that is double-glazed, 4mm, with an option for 6mm glass – and have excellent thermal qualities with a centre pane U Value of 1.1 as standard.

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Roof lights are a natural, and energy-efficient, way of drawing more light into a living space. They come in all shapes and bespoke designs to marry up with your property.

The designs are versatile, from flat roof installations to pyramid, lantern, slim-line and a whole host of other designs that will add a fresh aspect to your rooms and living environment.

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Our Customer Reviews

Great Price & Quick Delivery

This company have been amazing and came to our rescue when another company let us down repeatedly over a period of 4 months during our building work. We got a great price, a quick delivery time and the same product but this time with lovely fitters who knew exactly what they were doing. Now we will will have a warm house for christmas HOORAY !! We went for 3 large sliding doors and the quality of the product is excellent . Many thanks to Audrey Cieran and the team I would recommend highly
- Esther Young


Delighted with the product and the service provided by Klosen. The installation team were excellent and very helpful.
- Sara Hyem

Very Happy

We’ve been very happy with the work Klosen recently completed for us. They installed a variety of windows and sliding doors for us on our new build project. All of the information we requested early on was provided promptly and they were great with our architect. Very happy with the end result and the colour they helped us chose.
- Sarah Munton

Areas We Cover

We typically cover areas across a 60 miles radius from our Lincolnshire-based premises in Market Deeping, including Bourne, Stamford and Huntingdon.

From Camden Mews in London to Weston Hills in Lincolnshire, we fit windows and doors in rural areas and city centres.

From initial design and planning, through to the finished installation, we ensure our customers are completely happy with the development of the project and provide a hassle-free service.

Our craftsmen will create a beautiful system with a tailored design for your property. We take the time to get your area measurements and requirements right so you can have the perfect installations.

Request a free quotation today and contact us to find out more about our luxury aluminium doors and windows in Peterborough and Cambridgeshire today.


Frequently Asked Questions

How much do aluminium windows and doors cost?

As all our aluminium windows and doors are designed to spec, the price will depend on the surface area covered and the specific designs you choose. We can give a free, no-obligation quote to make sure you’re happy before completing any work.

How do I know which type of aluminium windows and doors are right for my building?

We supply a wide range of aluminium windows and doors for both contemporary new builds and older, traditional properties. You can browse our brochures to find inspiration for your property, or you can speak to one of our professional aluminium window advisors. We can talk you through the design specifications to help you choose the right aesthetic and functionality for your home.