High Quality Supply Service

When you buy from Southgate Windows, you will receive fast turnover times. Our services are reliable, efficient, and we offer full customer support.

Secure Double Glazing

Double glazed windows, doors and roof lanterns from market-leading brands that are expertly built to last, secure, and protect your property.

Free and Fast Quotes

You can get a free and fast quote from us with no obligation.

View Our Double Glazing Range

uPVC Windows Somerset


Check out our huge range of PVCu windows. Highest quality double glazing.


Selection of front, sliding and composite doors at competitive trade prices.


Aluminium windows, French, Patio and Bi-Fold doors. Contact us for a quote.

Roof Lanterns

We supply roof lanterns at the lowest trade prices. Contact us for a quote.

Conservatory Roofs

We supply quality PVCu conservatory roofs, get in touch for a free quote.

Tiled Roofs

Global solid roofs at competitive prices in Somerset & Bridgwater.

Supply Only Double Glazing

Southgate Windows are the leading supplier of windows and doors in Somerset. Based in Bridgwater we work throughout Somerset, Bristol, and Devon. Including Taunton, Yeovil, Glastonbury, Wells, Cheddar, Weston Super Mare, Bath, Exmouth, Weymouth, Shepton Mallet and Barnstaple.

Our parent company, Southgate Enterprises Ltd, was established in 1978 as a supplier and installer of quality double glazing and other home improvement products. We have learned valuable lessons throughout the years and have worked hard to provide you with a reliable and trustworthy double glazing supply only service.

Now, as Southgate Windows, we concentrate our efforts on supplying PVCu and aluminium windows, doors, conservatory roofs, and roof lanterns for trade customers. Our extensive industry and product knowledge highlight us as truly professional supply-only experts.

Learn More

Market Leading Double Glazing Brands

Liniar uPVC Double Glazing

WarmCore Aluminium Doors Supply Only Somerset

Smart Aluminium Double Glazing, Somerset

PVCu Windows & Doors

We offer a range of PVCu windows and PVCu doors from Liniar. Our Liniar windows are available in a variety of styles such as tilt and turn and French casement windows. We also offer PVCu sliding sash windows.

Liniar PVCu is extremely resilient and durable, giving you peace of mind that yours or your customers' replacement double glazing will last for years.

Fitted with ultra-secure Yale locks, our Liniar PVCu doors will refresh and enhance the security of any building instantly. Available in a wide range of colours, there is something for everyone.

Bi-Fold Doors

Southgate Windows offers two different bi-fold door systems for customers in Somerset and surrounding areas. We offer state-of-the art Cortizo bi-fold doors which provide enhanced thermal efficiency.

We also provide aluminium bi-fold doors from market leading aluminium architects, SMART'. They provide slimline frames and larger panes of glass.

Both brands of our aluminium bi-folding doors will improve your home, but each style offers a different selection of benefits. Contact us to find out more or check our downloads for technical information!

Aluminium Products

We choose to supply aluminium double glazing from Smart because the profiles are slim and provide a modern appearance, but without compromising on strength or thermal efficiency.

Aluminium as a double glazing material is extremely low maintenance and will last for a long time. To keep them clean, just simply wipe them with a damp cloth.

Our supply only aluminium windows and doors are offered in a selection of powder coated RAL colours so you can customise them for any project - matching them to the internal and external decor of any property.

Double Glazing Brochures,Solidor,Global,Synseal,Liniar

Double Glazing Styles

Why Choose Southgate Windows for Double Glazing Somerset?


Southgate Windows is dedicated to supplying our range of windows, doors and roof lanterns in an exceptionally fast time. We will be able to provide you with estimated delivery dates to help you plan your work schedule – benefitting both yourself and your customers.


We have enjoyed over thirty-eight successful years within the home improvements sector, growing our company to become one the most trusted trade suppliers in Somerset. Having worked in both wholesale and trade, our installation experts can offer useful advice based on experience.

Fast Quotes

Southgate Windows offers free and fast quotes to all of our customers.


Southgate Windows enjoys close business relationships with industry leading suppliers. This places us in a truly unique position as we can offer the most competitive prices for double glazing, doors, conservatory roofs and roof lanterns in Somerset, Devon, Dorset and Wiltshire.

Enter Your Address To Get Directions!


bfrcliniar_logoTrade Double Glazing Guaranteesmart aluminium Somersetyale-logosecured-by-designenergy-saving-trustSolidor_logo_CMYKSolidor_logo_CMYKIcotherm Roofs Somerset Icoslate