Business Details
14 Years
experience
Aluminium & uPVC Windows and Doors in Southampton
With over two decades of industry experience, Riverside Bifolds has established itself as a trusted manufacturer and supplier of premium aluminium and uPVC windows and doors. Our in-house manufacturing process ensures rigorous quality control, allowing us to deliver durable, thermally efficient products tailored to trade and homeowner needs. Based in Southampton, we serve Hampshire and surrounding areas, offering a comprehensive range of solutions including bifold doors, roof lanterns, and heritage-style windows. Our commitment to innovation is reflected in our online quoting engine, which provides fast lead times and bespoke design options. We prioritise customer satisfaction through competitive pricing, on-time delivery, and a factory showroom where clients can experience our products firsthand.Our team combines technical expertise with personalised service, ensuring every project meets exacting standards. As FENSA-accredited suppliers, we uphold industry best practices while offering a 10-year guarantee on all bifold doors. Whether for residential or commercial applications, our products blend contemporary design with functional performance, featuring slim sightlines, energy-efficient glazing, and a wide array of colour options. We maintain direct control over production and logistics through our own transport fleet, eliminating third-party delays. Our reputation for reliability and craftsmanship is evidenced by numerous positive testimonials highlighting professional installations and exceptional aftercare.
Services
Bifold Doors
Aluminium Windows
uPVC Doors
Roof Lanterns
Online Quoting Service
Details
- Year established: 2012
Highlights and features
- Our in-house manufacturing maintains the highest quality control standards
- We are FENSA accredited suppliers of aluminium and uPVC products
- An online quoting engine generates fast lead times for all window and door orders
- Competitive pricing tailored for both trade companies and homeowners
- Our factory showroom allows customers to view products in person
Associations and certifications
- FENSA
What people say
Fantastic quality
Friendly team
Quick installation
Professional workmanship
Excellent customer service
Services
Bifold Doors
Our aluminium bifold doors combine sleek design with exceptional thermal performance. Featuring slim sightlines and A-rated glazing, they maximise natural light while maintaining energy efficiency. Available in multiple configurations and colours, these doors offer 25% fewer bars than traditional designs for unobstructed views. The 10-year guarantee ensures long-term reliability for residential and commercial properties.
Aluminium Windows
Slimline aluminium windows provide contemporary aesthetics with enhanced durability. Their thermally broken profiles prevent heat loss while allowing for larger glass panes. Available as casement or flush designs, these windows offer custom colour options and low-maintenance performance. The material's strength ensures longevity in both urban and coastal environments.
Roof Lanterns
Aluminium and uPVC roof lanterns flood interiors with natural light through expansive glazing. Featuring the UK's strongest ridge construction, they withstand harsh weather while maintaining minimalist aesthetics. Triple-layer storm protection and thermal insulation ensure year-round comfort. Available in grey, white, or black finishes with custom glass tints for kitchen or living space enhancements.
Online Quoting Service
Our interactive online quoting engine provides instant, customised pricing for windows and doors. Users can visualise configurations, select colours, and obtain accurate measurements without site visits. This streamlined process reduces lead times while maintaining design flexibility for trade and homeowner projects across Hampshire.
Showroom Consultations
The Southampton showroom offers hands-on product experiences with full-range displays. Customers can discuss design options with experts, view material finishes, and understand installation processes. Virtual appointments provide remote access to product knowledge, ensuring informed decisions for both small renovations and large-scale developments.
Questions
What areas do you serve?
We supply and install products across Southampton, Portsmouth, Winchester, Eastleigh, Bournemouth, and all Hampshire regions.
Do you offer guarantees on your products?
All bifold doors come with a 10-year manufacturer's guarantee covering both materials and workmanship.
Can I get a custom quote online?
Yes, our interactive quoting engine provides instant, customised pricing for all window and door configurations.
Are your products energy efficient?
All glazed products feature A-rated glass with warm edge spacers and argon gas for optimal thermal performance.
Do you supply trade customers?
We provide competitive trade pricing with dedicated support and on-time delivery for professional installers.
How long does installation take?
After order confirmation, manufacturing and installation typically complete within 4-6 weeks depending on project scope.
Reviews (5)
Bob Price
Apr 18, 2021
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Beautiful conservatory built by a knowledgeable and professional team. We found them to be trustworthy and honest. Would highly recommend them.
Michael Deans
Apr 15, 2021
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Had Bi-folds fitted & Structural works to remove existing pillar and install new Steel, Really good service, doors are fantastic quality and workmanship of the doors and installation from the builders was very impressive, really tidy and professional. Would definitely recommend - 5star.
Sarah Winning
Sep 27, 2020
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Really pleased with our doors and windows. A very friendly team, with great customer service. Very neat installation of back door and window, French doors and side windows, and numerous other windows. Very close in style to the old single glazed wooden-framed doors and windows they replaced, just as we had asked. Would definitely recommend.
David Hearn
Dec 06, 2019
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100% recommend this company. They have recently fitted 5 panel bi-fold door, set of french doors and triangle windows to sit above our bi-folds. From the initial visit to installation I can't fault them. We visited there showroom in Southampton to try out the bi-folds before ordering. They have done a fab job which included rectifying some previous poor workmanship. We did a lot of shopping around before going with this company and not only were they the best value but they did an amazing job and you can tell they care about you. We only had to pay an initial deposit and balance was paid once work
Steve Frosdick
Jun 02, 2019
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Prompt and attentive survey and advice from the owner himself. Installed on the agreed day by two excellent fitters. And the doors look and work great. Very pleased indeed.
