Create your dream door today with our Door Designer. We offer strong and durable composite doors

Replacement Double Glazing in Rotherham

Whether you are wanting to enhance your home or renovate your whole property, our double glazed windows and replacement double glazing is ideal for achieving your dream home. From the time you meet our team until the completion of your project, we will guide and advise you on the ideal solutions to bring your ideas to life. At D&I Windows, we have one of the most comprehensive selections of double glazing, so you are sure to find what you’re searching for.

Design Consultations

We aim to ensure that you get the finest possible service. Contact us to schedule a consultation to explore your double glazing concepts in further depth. During your consultation, you may determine which products match your current home architecture and are most suited for your property. At D&I, we provide a vast array of double glazed windows, doors, and expansions in a variety of designs and materials. During the consultation, you should have a better understanding of the project’s styles, designs, and costs.

Fully Accredited Installers

At D&I Windows, we are a reputable local double glazing company with over a decade of expertise in the home renovation business. Our expertise enables us to get valuable accreditations from prestigious organisations like Which? Trusted Traders, FENSA, and the Federation of Master Builders. With their assistance, you can be certain that your next double glazing job is in excellent hands. We always comply with building and municipal requirements, and we’ve had our credit verified for your peace of mind; if you have any additional queries, please do not hesitate to contact us. We want you to feel as comfortable and confident as possible.

Market-Leading Manufacturers

In addition to receiving accreditations from renowned organisations, we exclusively collaborate with industry leading manufacturers. Trust is of the utmost importance to us, and we want you to be certain that we are supplying you with the finest double glazed windows and doors available. We provide and install high performance home renovation products from Solidor, Eurocell, Deceuninck, and many more! With one of the largest options of double glazing goods accessible to homes in the Doncaster region, you can be certain that you are investing in a reputable double glazing firm.

Exceptional Service & Aftercare

We endeavour to provide client satisfaction. Our Doncaster staff is always available to respond to your inquiries and concerns. We are an accommodating installation service; we listen to you without being forceful, as seen by the variety of testimonials we have received. If you have any issues, please let us know so that we can rectify the situation and adapt the response to you and your property.

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Double Glazed Windows

Every residence is distinct, with its own likes and quirks. Therefore, we provide a comprehensive selection of double glazed windows in Doncaster to accommodate everyone. You may pick a design that matches your house’s present styles and appearance, regardless of whether it is a new construction or a historic home. Our double glazed windows are also available in a variety of materials, allowing you to always discover the optimal choice for your Doncaster home.

In addition to sliding sash windows, tilt & turn, uPVC casement, and flush casement windows, we also supply tilt & turn and casement aluminium windows. Contact us now to learn more about our custom wood windows. Using D&I Windows, you can completely remodel your house.

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Double Glazed Doors

Double glazed doors are an excellent method to preserve the advantages of double glazing throughout your house. Benefit from thermal insulation, increased natural illumination, noise reduction, and high quality security; you will never have to choose between aesthetic and functionality again! Our doors all include industry leading locking mechanisms, so you can have peace of mind and a stress free experience knowing that your loved ones are safe. Our doors come with PAS24 and Secured by Design certifications, so you can rest certain that they are trustworthy and dependable.

Our door portfolio comprises Solidor composite doors, French doors, patio doors, aluminium entrance doors, patio sliding doors and bifold doors. We also provide garage doors, so you can have a completely comprehensive double glazing house makeover with D&I! Make the most of your living space in Doncaster by contacting us now to make your double glazing desires a reality.

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Conservatories, Orangeries & Garden Rooms

Are you interested in enhancing your living space? Explore your home addition choices by perusing our collection of garden rooms, conservatories, and orangeries. You may boost the value of your home by designing a brand new office, social room, or play area with several purposes and advantages!

In your new Doncaster addition, which is comprised of the best quality materials and modern double glazing, you may take advantage of a variety of advantages. Whether you are searching for a traditional Victorian or Edwardian design or a modern Lean-To conservatory, we have every option available to provide you with a personalised and customised home renovation solution.

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Read Our Reviews


Wanted some composite doors and decided to go with this company excellent service from start to finish great job recommend

Michael Day - 27/09/23

Hi Just had a door fitted, great experience .no fuss, no mess and brilliant job by Daniel and Ritch. We would highly recommend .Many thanks D and I.

Dennis Laycock - 20/07/23

Very happy with their products and service. Apart from a very slight glitch on the order, this was very quickly sorted. Cannot thank Danny who did the fitting, he did a supurb job with real attention to detail. Both Dave & Ian I met and found them approachable and amenable and only to happy to ensure satisfaction all round. Would recommend anytime.

Morton C. - 15/11/22

I am very impressed with d&i windows. From start to finish they have been excellent. Kelly was very friendly when she came to quote, the surveyor was very friendly and knowledgeable and the fitter was very good too. After shopping around, both the wait time and price was the best in Barnsley. Really happy we chose them. Will definitely recommend

Laura Moody - 10/10/22

Had a large garden room built and decking area by D&I ...can honestly say David and Ian have been nothing but accommodating to our needs. Been absolutely fabulous with us in every way. Also a big Thankyou to the fitters Jason, Brandon, & Terry for weeks and weeks of hard work.

Terry Vaile - 01/09/21

Gave D&I a call after struggling to get a ramp done for my mother in law who has been diagnosed with motor neurone disease and hasn’t been able to leave the house for a year. They immediately got on with sorting it and it wasn’t an easy process but Dave never stopped planning it and came up with a solution, They had black composite decking with a ramp and it looks absolutely beautiful ,cannot thank you all enough for everything you’ve done an absolute brilliant service

Lucie Evans - 03/05/21

Anyone looking for new Conservatory with a light weight tiled roof look no further. These guys do a excellent job, so organised all the trades followed each other, even Covid 19 only caused slight delay D & I were back on the job as soon as safety allowed. I doubt you will get a better price anywhere else either.

Jillian Butler - 05/11/21

Would definitely recommend. Came round to offer quote quickly. No hard sell (didn't spend hours trying to wear me down like other companies). Fair and competitive price. Very helpful in organising a fairly fast turnaround to fit in with our other building work. Guys that came to fit windows did a really neat job, took care to put down dust sheets and also tidied up after themselves. Windows look great. Certificate arrived within a couple of weeks as promised. Thanks D&I!

Sue McGlone - 23/10/2017

Friendly, helpful and no pressure. Recommended.

Simon Gillard - 27/10/2020

Frequently Asked Questions

Read through our frequently asked questions for more information. If what you need isn’t here, get in touch so that we can help you through the installation process. 

Are your products eco-friendly?

As a company, we make sure that all of our products are reliably sourced and responsibly handled, including those from local sources. We have products made from sustainable materials, such as aluminium, and biodegradable timber options are available. You can talk to us more about our investment in eco-friendly products and environmentally friendly installations by contacting us online or calling 01226 280380.

Do D&I Windows install decking?

What is the difference between a conservatory, an orangery, and a garden room?

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Get in Touch

If you have any more questions regarding double glazing in Doncaster or would want to discuss your next home improvement project with a member of our team, please contact us.

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You can also use our online quoting engine now to get a free double glazing quote for your home in Rotherham. It is quick and easy to use, generating a guide price within minutes!


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