window manufacturers uk

Trade frames manufacture and supply since 1979

Expertise in the fabrication and supply of trade windows and doors, newbuild and specification sectors

Family owned and run.

We’re family and independently owned. What we make goes back into our continuous investment programme. We’re building for the long term

A single source for trade frames & sealed units

With our advanced glass unit manufacturing facility we offer our customers access to a single source for trade window frames, trade door frames and sealed unit supply

Advanced trade windows and door manufacturing

We operate from a highly automated and advanced window and door manufacturing facilities, bringing exacting precision to trade and commercial window and door manufacture.

Trusted partnerships

We work in partnership with industry-leading window and door systems companies, hardware manufacturers and glass specialists, plus new build and trade partners.

Explore our superior trade frames product range

Emplas is one of the UK’s largest window and door fabricators. As a manufacturer of double glazing we partner with leading window systems suppliers, and offer some of the industry’s most technically advanced low maintenance and energy efficient aluminium and U-PVC windows and doors. Being both upvc window manufacturers and aluminium window manufacturers, we work with the trade, new build, social housing and educational sectors since 1979, our reputation is built on service excellence.


We supply an extensive range of u-PVC and aluminium casement and flush casement windows as well as tilt-and-turn and fully reversible windows in energy efficient systems from Profile 22 and AluK.


We offer a carefully selected and highly flexible residential entrance door range including PVC-U, aluminium and composite doors, bi-folding, French and inline sliding patio doors.

IGU Supply

Emplas has a state-of-the-art IGU facility & is one of the UK’s largest manufacturers of double-glazing & triple-glazed sealed units. Glazed-windows, frame-only & sealed unit suppliers


We’re working to lower the impact of our business on the environment by reducing energy consumption and waste, and cutting our carbon footprint.

window and door suppliers

Why Choose Emplas?

We’re one of the UK’s largest window and door manufacturers but we remain true to the principle on which we were founded in 1979, which is to be the trade frame  (trade window & door) fabricator of choice. Like many of our customers, we’re still a family-owned business. We don’t answer to venture capitalists or banks. Instead we answer to our customers and are committed to delivering the highest levels of product quality and service to them.

Choose from the leading window systems

We manufacture a wide range of windows and doors in the leading u-PVC systems from Profile 22, composite doors Doorco and aluminium windows and doors from AluK, including Secured by Design options.

24/7 online ordering and order tracking

Place orders direct from your phone and track delivery through EVA, the Emplas Viritual Assistant

Precision manufacture

With our state-of-the-art window and door and sealed unit manufacturing facilities, we bring exacting standards to replacement window and new build window and door supply.

Smart windows and doors

Our window and composite door ranges are available with in-built smart technologies - as standard.

Window and door colour and finish options

Window and door colour and finish options

Our trade u-PVC window and door ranges are available in a wide variety of colour and finish options including dual-colour, woodgrain and flat foil finishes.

AluK aluminium window and door ranges are available in a wide variety of powder coated and marine grade finishes.

We can also provide a wide range of colour-matched ancillary items, spray painted in our in-house state of the art capability.

Struggle to keep up with the latest building regs? We’ve got you covered.

With constant updates, staying on top of building regulations can be hard. Our online ordering system takes the complexity away with easy-to-follow prompts, to make sure that you stay on the right side of building regulatory change.

Retail sales and marketing support

Our retail sales support package draws on our in-house direct retail expertise, so that everything that we offer is tried and tested – so you only get what’s proven to work.

It’s a complete off-the shelf marketing and sales support programme including retail lead generation support, branded brochures and point of sale assets and we’ll even give you your own-branded protective window tape*.

Emplas are your trusted trade UPVC window suppliers. We pride ourselves on delivering high quality UPVC windows tailored to the needs of trade customers. With years of experience in the industry, we understand the importance of reliability and durability in every trade supply project.

As your dedicated trade UPVC window suppliers, we offer an extensive range of double glazed and triple glazed products to suit various project requirements. From standard casement windows to tilt and turn and fully reversible, our selection caters to diverse needs and preferences. Whether you’re working on residential developments, commercial properties, or renovation projects, we have the perfect uPVC windows to enhance the look and form of any space.

At Emplas, we prioritise customer satisfaction above all else. Our team is committed to providing personalised service and expert advice to ensure your projects are a success. As experienced trade UPVC window suppliers, we understand the importance of timely delivery and seamless transactions. That’s why we strive to make the process as efficient and straightforward as possible, allowing you to focus on what you do best.

Partner with us, your reliable trade UPVC window suppliers, and experience the difference in quality, service, and support. Contact us today to discuss your window requirements and let us help you find the perfect solution. With Emplas, excellence is always guaranteed.

24/7 online ordering

Want to find out more about our energy efficient window and door ranges?

Become an Emplas Installer and gain access to all our great benefits plus get 15% off your first order*

Fill in your details and a member of our team we will be in touch 

*based on a minimum spend of £1500

Your Name*
This field is for validation purposes and should be left unchanged.