Aluminium Sliding Doors Devon
Windows & Doors for Home Extensions
We work with homeowners across the South West, helping them build their dream extension by supplying and installing premium glazing solutions.
Create a brighter, more open extension with expertly designed glazing
Planning a home extension in Devon & Cornwall?
The right windows, doors and glazing can make all the difference to how your new space looks, feels and connects with the rest of your home.
At Devonshire Windows, we specialise in supplying and installing high-performance windows, doors and glazing for home extensions across Devon and the South West. We work on a wide variety of extension projects, from contemporary rear extensions and open-plan kitchen extensions to carefully designed additions to traditional and period properties.
With extensive experience working alongside homeowners, builders, architects and other trades, we can help you find the right combination of glazing products for your extension — from expansive sliding and bifold doors to picture windows, rooflights and structural glazing.
Whatever the size or style of your extension, we can help you make the most of the space and bring more natural light into your home.
One experienced team for your glazing requirements
One of the advantages of working with Devonshire Windows is the breadth of products we can offer.
Rather than sourcing your sliding doors from one company, windows from another and specialist glazing from elsewhere, we can help you bring the different elements of your extension together.
We can supply and install:
Windows
Timber, timber/aluminium and aluminium window systems in a range of styles and configurations.
Sliding Doors
Large-format aluminium sliding doors designed to maximise views, light and access to your garden.
Bifold Doors
Wide-opening door systems that allow you to connect your extension with the outdoors.
Slide & Turn Doors
A flexible alternative to bifold and sliding doors, with independently moving glazed panels.
Structural Glazing
Architectural glazing solutions for creating dramatic, minimalist glazed openings.
Rooflights
Designed to introduce additional natural light from above.
Internal Glazing
Glass walls and partitions for dividing spaces without losing the feeling of openness and light.
Featured Case Studies
Our Fantastic Extension Projects
Discover a range of home extensions we have worked on in the South West over the last few years at Devonshire Windows.
Stone House Extension
Countryside Extension
Single-Storey Extension
Stone House Extension
Countryside Extension
Single-Storey Extension
Sliding Door Installers Devon
Glazing designed around your extension
An extension is an opportunity to completely transform the way you use your home. Whether you're creating a larger kitchen, a light-filled dining space, a new living room or a seamless connection to the garden, carefully considered glazing can help you get the very best from the new space.
We offer a wide range of premium windows, doors and glazing systems, allowing us to create a solution that's tailored to your property, your architectural design and the way you want to use the space.
Our extension projects can incorporate:
Rather than taking a one-size-fits-all approach, we'll help you consider how each element works together to create a cohesive extension.
Make a statement with sliding doors
Large-format sliding doors are a popular choice for extensions, particularly where the aim is to create a strong connection between the new living space and the garden.
With large areas of glass and slim frames, sliding doors can flood an extension with natural light while providing wide, uninterrupted views outside. When closed, they provide a comfortable, secure and thermally efficient opening; when open, they help create a seamless transition between indoors and out.
Open your extension to the garden with bifold doors
For homeowners who want their extension to open completely onto the garden, bifold doors are an excellent choice.
Multiple glazed panels fold and stack neatly to one or both sides, creating a much wider opening than a conventional door. They're particularly effective in kitchen and dining extensions where indoor and outdoor spaces are frequently used together.
Consider slide and turn doors for a different approach
If you're looking for something a little different, slide and turn doors offer another way to open up an extension.
Rather than folding together, individual glazed panels slide and pivot independently, giving you considerable flexibility over how much of the opening you use. They can also be moved completely out of the way when you want to maximise the connection between your extension and garden.
Bring in more light with large picture windows
Doors aren't the only way to make an extension feel bright and spacious.
Large picture windows and fixed glazing can introduce substantial amounts of natural light while framing views of the garden or surrounding landscape. They're particularly useful where you want the visual impact of a large glazed area without requiring an opening door.
Picture windows can be positioned alongside doors or used independently to create carefully considered combinations of glass throughout your extension.
Create architectural impact with structural glazing
For a truly contemporary extension, structural glazing can provide an almost frameless appearance.
Structural glazing allows large areas of glass to become a key architectural feature, helping to create clean lines and uninterrupted views. It can be used to achieve striking glazed walls, corners and other bespoke features where conventional window frames would interrupt the design.
Look upwards with rooflights
When extending a home, it's easy to concentrate on the walls and overlook the roof.
Rooflights can make a dramatic difference to the amount of natural light entering an extension, particularly in deeper floorplans where light may struggle to reach the centre of the room.
A carefully positioned rooflight can create a brighter, more welcoming interior and can work particularly well over kitchens, dining areas and open-plan living spaces.
View & Download our Product Brochures
Explore our product range including the products we supply from a variety of international manufacturers.
Why Choose Devonshire Windows?
With over 30 years of experience in the glazing industry, our professional advisors are here to help you pick the right products for your home, and our trained installers fit everything to the highest of standards.
Significant extension experience
Home extensions are a significant part of the work we do, giving our team a strong understanding of the requirements of extension projects.
Premium products
We work with leading manufacturers to provide high-quality windows, doors and glazing systems designed for modern homes.
Expert installation
Our experienced installation team takes pride in precision, quality workmanship and attention to detail.
A complete glazing solution
From windows and rooflights to large sliding doors and structural glazing, we can provide multiple elements of your extension project.
Advice from the outset
We're happy to discuss your plans and help you understand which glazing options could work best for your home and extension.
Built around your project
Every extension is different. We work with you and your wider project team to find a solution that works aesthetically, practically and technically.
Planning an extension in Devon?
Whether your plans are still at the design stage or you're already working with a builder or architect, we'd be happy to discuss your glazing requirements.
From a simple kitchen extension with a new set of bifold doors to a large contemporary extension incorporating sliding doors, rooflights and structural glazing, Devonshire Windows can help you create a brighter, more connected and beautifully finished space.
Get in touch with our team to discuss your extension project and find out how we can help.
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