Built in-house

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All our products are manufactured in the UK and assembled in our own factory.

Efficient installation

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With dedicated installation staff, our efficient delivery and fitting service is second-to-none.


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Top-quality uPVC needn't cost the earth. Our frames are affordable, energy-efficient and 100% recyclable.

Why choose us?

Why choose us?

With over 16 years of experience in the industry, our products are enhanced to meet a high standard of security and energy efficiency without compromising the aesthetics. Based in Southampton, we work hard to guarantee the quality is consistent throughout all of our windows and doors. We effortless achieve this by managing the manufacturing process from the start all the way to the finished product. Available for both trade, commercial projects and homeowners, you can never go wrong with Riverside Double Glazing.

  • Fensa-Approved Installer
  • Competitive pricing for high end products
  • Manufactured in-house
  • Dedicated installation professionals
  • Double Glazing Network member

Our Products


We offer a beautiful range of uPVC double glazing, tailor made for to complement the existing aesthetics of your Wiltshire property. All of our double glazed windows achieve an A+ Windows Energy Rating.


Attractive composite front doors, sleek aluminium bi-fold doors and safety conscious fireproof doors are just a handful of the door options we offer. View our complete range here of doors online.


At Riverside Bi-Folds we use only the highest quality systems to manufacture bi-fold doors in Southampton, using resources in our own factory.

Need a quote tailored to your exact specification?

Use our quote builder to create a custom specification for your home project!

Virtual Showroom

We encourage our customers to visit our showroom to experience the products for themselves. However, we understand that it is not always possible to visit our showroom, therefore we invite you to enjoy our virtual showroom experience which we have created for you. 

This is a full 360 degree tour, move around the floor by selecting the circles on the ground – Once in the showroom be sure to click the products which have blue and red spots showing videos and opening up brochures on the item.

Virtual Showroom

What our customers say