Marlborough, Wiltshire
Anthracite aluminium bifolds to a garden room
A three-panel anthracite bifold to a rear garden room, opening the whole wall onto the lawn and framing the view when closed.
Aluminium Doors
Premium Aluminium Bifold & Sliding Doors
Create brighter, more open living spaces with beautifully engineered aluminium bifold and sliding doors. Designed for contemporary homes, extensions and renovations across Wiltshire, Oxfordshire, Gloucestershire and Berkshire.
- Personally Surveyed
- Slim Sightlines
- Professionally Installed
- Insurance-Backed Guarantee
- Free Home Survey
Our Range
Two ways to open up your home.
Whether you want to fold an entire wall onto the garden or frame a panoramic view through vast panes of glass, our two aluminium door ranges are engineered to transform how you live.
Aluminium Bifold Doors
Fold an entire wall of glass to one side and connect your home with the garden. Slim aluminium frames, smooth precision-engineered running gear and a wide palette of colours make bifolds the definitive choice for extensions, renovations and indoor-outdoor living.
- Open an entire wall to the garden
- Perfect for entertaining
- Slim aluminium frames
- Wide choice of colours
- Smooth folding operation
- Suitable for extensions and renovations
Aluminium Sliding Doors
Vast panes of glass and minimal sightlines make sliding doors the choice for contemporary homes. Uninterrupted panoramic views, exceptional thermal efficiency and effortless operation come together in a system that quietly transforms every room it opens.
- Large uninterrupted panes of glass
- Maximum natural light
- Panoramic countryside and garden views
- Minimal sightlines
- Exceptional thermal efficiency
- Contemporary appearance
Choosing Between the Two
Which system is right for you?
Both bifold and sliding doors are beautifully engineered, the right choice comes down to how you'll use the space and the character of your home.
Bifold Doors
Ideal if you want…
- Maximum opening
- Indoor / outdoor entertaining
- Flexible opening options
- Traditional garden access
Sliding Doors
Ideal if you want…
- Largest glass panels
- Contemporary architecture
- Panoramic views
- Minimal visible frame
The Benefits
Quietly transformative.
Aluminium doors do far more than change the look of a home. Well-specified, expertly installed doors transform daylight, comfort, security and the way a room is used.
Light-Filled Rooms
Larger glazed openings transform how a room feels, flooding interiors with daylight and connecting the house with the garden throughout the year.
Slim Sightlines
The inherent strength of aluminium allows for elegantly slim frames, more glass, less frame, and a genuinely contemporary finish.
Thermal Efficiency
Polyamide thermal breaks, warm-edge spacer bars and argon-filled sealed units deliver excellent U-values and year-round comfort.
Engineered Security
Multi-point locking, anti-lift devices, reinforced hinges and PAS 24 tested systems as standard, beautifully secure by design.
Colour & Finish
A virtually unlimited RAL palette, dual-colour options and textured or matt finishes to suit every architectural style.
Effortless Living
Precision-engineered running gear and premium hardware deliver smooth, quiet operation that continues to feel new for decades.
Why Choose Thames Frames
Considered craftsmanship, quietly delivered.
Homeowners across Wiltshire, Oxfordshire, Gloucestershire and Berkshire choose Thames Frames because we approach aluminium doors the way considered home improvements should be done.
Personally Surveyed
Every opening is measured and assessed by an experienced specialist, never a commission-driven salesperson.
Professionally Installed
Our directly employed fitting teams are known for their precision, care and considered site work.
Premium Aluminium Systems
We specify only proven aluminium door systems with polyamide thermal breaks, warm-edge glazing and long-term hardware warranties.
CERTASS Certification
As a CERTASS registered installer, Building Regulations compliance is registered for you, with certification issued on completion.
Insurance-Backed Guarantee
Comprehensive cover that stands independent of the installer, alongside long-term manufacturer warranties.
Free Home Survey
A no-obligation home visit, honest advice and a fixed written quotation, no pressure at any stage.
Guarantees
Protection you can rely on.
Every aluminium door installation is supported by layered guarantees, from the manufacturer, from Thames Frames and, importantly, from an independent insurance-backed scheme.
Insurance-Backed Guarantee
Every aluminium door installation is protected by a comprehensive insurance-backed guarantee, cover that stands independent of the installer.
Manufacturer Warranties
We specify only proven aluminium systems from established manufacturers, each supported by long-term warranties on frames, hardware and sealed units.
CERTASS Certified Compliance
As a CERTASS registered installer, we take care of Building Regulations compliance for you. Every installation is registered correctly, and you'll receive your official certification after completion, giving you confidence now and when you come to sell your home.
Aftercare You Can Reach
Directly employed installers and a settled office team mean the people who installed your doors are the same people who care for them afterwards.
Recent Projects
Aluminium bifolds and sliders across the Cotswolds and Thames Valley.
Thames Frames installs premium aluminium doors throughout Wiltshire, Oxfordshire, Gloucestershire and Berkshire. A selection of recent projects from across our service area.
Burford, Oxfordshire
Aluminium slider to a brick garden extension
A large three-panel aluminium slider to a garden-facing extension, minimal frame, maximum glass, and a level threshold onto the patio.
Cirencester, Gloucestershire
Anthracite bifolds to a kitchen extension
Anthracite bifolds to a kitchen extension, replacing tired French doors, bringing the garden into daily life and flooding the room with light.
Wantage, Oxfordshire
Aluminium slider framing a countryside view
A wide aluminium slider frames uninterrupted countryside views from a converted farm building, slim sightlines and exceptional thermal performance.
Royal Wootton Bassett, Wiltshire
Bifolds across a kitchen-diner extension
Bifolds across a kitchen-diner extension, a level threshold, slim frames and beautifully specified hardware that continues to feel new.
Hungerford, Berkshire
Aluminium slider to a garden-facing living room
An anthracite aluminium slider to a garden-facing living room, quietly transformative, framing the garden as a living picture.
Customer Reviews
What homeowners say.
"The bifolds have completely changed how we use the room. Beautifully engineered and immaculately installed."
Mr & Mrs P
Marlborough, Wiltshire
"The slider is the centrepiece of the extension. The advice at survey was honest and the fit is flawless."
Mrs H
Burford, Oxfordshire
"Careful, considered work from start to finish. The kitchen feels twice the size with the doors open."
The Whitmore family
Cirencester, Gloucestershire
"The view is astonishing and the doors are silent to use. Genuinely a beautiful piece of engineering."
Dr M
Wantage, Oxfordshire
"Everything about the process was straightforward. The finished result is exactly what we hoped for."
Mr & Mrs K
Royal Wootton Bassett, Wiltshire
"Balanced, honest advice at survey and a lovely, tidy install. The living room feels completely new."
Dr & Dr H
Hungerford, Berkshire
About Our Aluminium Doors
Beautifully engineered doors, thoughtfully specified.
Aluminium bifold and sliding doors are the definitive way to open a home to its garden. The inherent strength of aluminium allows for slim, elegant frames, more glass, less frame, and a genuinely contemporary appearance. Combined with polyamide thermal breaks, warm-edge spacer bars and modern glazing, today's aluminium doors perform to a standard timber and older patio doors simply cannot match.
Thames Frames specifies premium aluminium door systems from established manufacturers, engineered for smooth operation, exceptional weather performance and long-term reliability. Whether you're planning an extension, replacing tired patio doors or specifying a new-build, we help you choose the right system, bifold or sliding, with the sightlines, colour and hardware to suit the property.
Every installation is personally surveyed, carefully planned and completed by our directly employed fitting teams across Wiltshire, Oxfordshire, Gloucestershire and Berkshire. Building Regulations compliance, certification and aftercare are handled in-house, and every door is protected by a comprehensive insurance-backed guarantee.
Frequently Asked Questions
Aluminium doors, your questions answered.
Yes. Modern aluminium bifold and sliding doors incorporate polyamide thermal breaks, warm-edge spacer bars and argon-filled double or triple glazing to deliver excellent thermal performance. Combined with precision-engineered seals, they help keep rooms warm in winter and cool in summer, a significant upgrade on older single-glazed patio doors or timber frames.
Free Home Survey
Book Your Free Aluminium Door Home Survey
Arrange a complimentary home survey with one of our aluminium door specialists. We'll listen carefully, measure precisely and recommend the right system, sightlines and finish for your home, with a fixed written quotation and no pressure at any stage.
- Free, no-obligation home survey
- Fixed written quotation
- Insurance-backed guarantee
- Directly employed installers
Free Home Survey
Book Your Free Aluminium Door Home Survey
Share a few details and an aluminium door specialist will be in touch within one working day. No pressure, no pushy sales.