Products for Homeowners

Benefit from buying directly from the manufacturer

We are proud to manufacture your new windows and doors, helping you benefit from dealing with the manufacturer directly. And because we are not reliant on external suppliers, we are in total control of our lead times and, crucially, our quality. As well as this, buying directly also saves you money.

Our industry-leading range of Reynaers aluminium windows and doors are renowned for being the best in their field, with exemplary quality and engineering and giving you a perfect look and feel for your property renovation project. You are welcome to visit our factory and new Reynaers showroom to view our premises and browse our products!

Here’s why.

Transform your home with some of the finest aluminium doors and windows made in the UK by your local specialist manufacturer and supplier. At C&A Window Systems Ltd, we provide a complete service for your new glazing. You can trust us to work with you, whatever the size of your property project, helping you create your dream home and bring your ideas to life.

We’ve refined our processes to provide the best service and help you complete your property project with minimal disruption and on time. We know you have a vast choice of new windows and doors suppliers. C&A Window Systems give you peace of mind with bespoke, innovative and beautiful new glazing and our service from start to finish.

woman sliding doors

We take care of everything from start to finish

Leading design

Best Energy Efficiency

Dependable Security

You’re assured of personal and caring service from your initial consultation or showroom visit. You are welcome to see our products on display in our showroom or even see them being crafted.

Covering Essex, Cambridgeshire, Suffolk, London, Kent, Sussex and Surrey, Outside our installation area, we can connect you with our vetted and trained network of professional and trusted installation partners.

Our installation partners provide our quality-made doors and windows. You also benefit from a complete survey, installation service, and product guarantee.

reynaers logo

Our quotations are detailed with a full product specification covering information about colours, glass, handle options and designs. Once you decide to place an order, we will carry out a professional survey and confirm the final manufacturing details. During production, we will be sure to keep you updated on the status of your order.

Once your windows and doors are ready, we’ll confirm and agree on our installation date with you, advising on any final details required. We will walk you through any operational aspects of your new glazing and answer your questions.

Upon completion and payment of your balance, we will promptly issue your CERTASS paperwork and provide your product guarantees. We are, of course, always on hand to answer any questions you may have.

A genuine aluminium specialist

Aluminium doors and windows are the heart of what we do. We’ve always focused on creating expertly-made aluminium windows and doors; unlike other installers, we don’t focus on other materials. That is why you have the peace of mind of dealing with a genuine aluminium specialist, helping you transform your home with the right products and aluminium know-how. Even better, we are premier manufacturers and approved suppliers for the prestigious Reynaers at Home.

And because we know our aluminium, we choose our brands based on their engineering and design excellence, high specifications, optimum security, excellent energy ratings and giving you exactly the look and feel you want for your home.

The best windows and doors, by our in-house installers

Unlike plastic doors and windows, aluminium doors and windows are precise products, bespoke-made to suit the opening. They’re also substantially more advanced than other materials, with sophisticated hardware and the latest technology such as bonded glass and ultra-slim aluminium profiles.

Aluminium, therefore, requires trained and professional installers with greater window knowledge than PVCu or timber windows. Our installers are experienced in the handling and installation of aluminium and especially grand sliding and bifolding doors. Our people also have additional training from the systems companies such as Reynaers, given this brand’s quality and sophisticated nature and the importance of a precise installation every time. We understand your expectations and strive to meet them.

Answering your questions about our products and service.

Here are some common answers to frequently asked questions about aluminium windows and doors, and we encourage you to get in touch for help and advice about your project.

What is the best way to choose aluminium windows?

Quality aluminium windows come with options for design and aesthetics and should give you the choice of contemporary windows, slimline aluminium windows, steel-look and even classically styled ones. The best way to choose aluminium windows is to visit an aluminium specialist and showroom – a company focusing on aluminium, usually with more experience and product knowledge.

What is the best brand for aluminium doors?

All quality aluminium systems provide good door solutions, whether you are looking for new front doors, side doors or patio doors in a hinged, sliding or bifolding design. The Reynaers brand is renowned internationally and trusted by discerning customers, architects and homeowners. With nearly five decades of expertise, Reynaers aluminium provides some of the best security and energy efficiency and some of the most diverse styling options, giving you exactly the look, feel, and reliability you need for your property project.

Why should you choose aluminium windows and doors?

Aluminium windows and doors provide features and benefits not usually available with other materials such as PVCu or timber. No other material comes as slim as aluminium. At the same time, these slim sightlines can provide narrower, wider and taller windows and doors, removing the need for additional mullions and transoms. You benefit from modern-looking windows with more glass and less visible aluminium. Aluminium is also best for steel-inspired windows and doors, the biggest choice of colours and is also very secure, energy-efficient and low-maintenance. For large patio doors such as folding or sliding, only aluminium has proven itself as the slimmest and most reliable over the long-term.

Where are Reynaers windows made?

Reynaers Aluminium is a system company designing and creating aluminium profiles and accessories for its products. The company also extensively tests its windows and doors for security, energy efficiency and weather protection. Reynaers windows come from a network of approved, trained, supported installers and Reynaers At Home Partners. C&A Window Systems Ltd is an approved manufacturer and installer of the Reynaers brand.

How energy-efficient are aluminium windows?

Modern aluminium windows use highly insulated frames with a polyamide thermal barrier and high-specification glass units. All aluminium windows are energy-efficient, meeting current Building Regulations with low U-Values or good Window Energy Ratings. As a result, with a well-designed product and the right specification glass (double or triple-glazed), aluminium windows are very energy efficient and help save money on your energy bills.

How much do aluminium windows and doors cost?

From a professional supplier, all aluminium windows and doors are bespoke products. The sizes, design, colour, glass and handle options all affect the price. The best way to get a quotation is to get in touch with us, and we can help you with a budget or fully-costed quotation to help you plan your project.

Three Reasons to Contact C&A Window Systems

experience you can trust

Our Process

Discover how we work

image of a lady in front of patio doors, advice article on CERTASS certification

Reynaers At Home

A trusted brand we are proud to work with

grey trade supply alu-timber windows and doors in a new build house.


How to view our products

Reynaers At Home Partners

Proud to be part of the Reynaers at Home network, providing you with even more confidence in the quality of our products and our installation

Dependable Security

The latest generation locks, handles and product design promise you optimum security and are certified to the latest standards.

Your choice of colours

Extensive colour options ensure your windows and doors are tailored and individually designed, flawlessly blending with your home.

Meeting Building Regulations

Whether for new or replacement projects, you get dependable performance and your new glazing meets current Building Regulations.

Customise Your products

A personalised touch

Glass options

Contemporary designs that enhance security and privacy.

Integral Blinds

An attractive addition delivering privacy and shading when you need it.


Peace of mind starts when you get in touch and lasts for years.

steve arundellsteve arundell
13:43 02 Nov 23
Chris and Andy listen to what we wanted and their team then delivered in spades.Great company well worth the effort to contact.
ArBa InstallationsArBa Installations
22:23 20 Dec 22
Posting from the view of an Installations company, C & A have always been a pleasure to deal with. Their process is very thorough and products are top quality. We use them for all our commercial doors and would highly recommend all their products and them as a company.
Paul DillonPaul Dillon
14:17 23 Nov 22
Great service. Top products. Thank you. C&A
Alfie TonerAlfie Toner
13:43 21 Nov 22
Great company to deal withQuick quotesPleasant staffGreat productsGreat customer supportDefinitely recommend
22:50 12 Jun 22
Couldn’t recommend this amazing company enough from start to finish the professionalism have been second to none. The quality of the work undertaken shows how much C&A take pride in there work. Thank You again
Gary WoodhatchGary Woodhatch
11:11 11 Mar 22
Have been dealing with Andy and Kim in the main at C&A windows for a few months now and the service overall has been great, quick quotes, lead-times inline with expectations and well presented and packaged goods. Great responsive aftersales assistance when called upon. Would recommend C&A for sure.
richard newellrichard newell
07:44 11 Mar 22
Always a pleasure to work with the people at c and a, very good communication throughout the process and most importantly the product is excellent.Highly recommended.

Send us an email

Send us an email if you have any questions.

call us

Need to know more about our products? Call us, and a member of our sales team will help you.

01787 477976

visit us

Book an appointment to visit our showroom.  
8am – 5pm Monday – Friday

Unit 1, Lancaster Way
Earls Colne Business Park, Earls Colne, Colchester CO6 2NS

We are looking for new staff to join our team.