Enjoy a cosy atmosphere and peace of mind all year round with our premium crafted products and professional installation services from GSI Windows. Enhance your home with our extensive range of double glazed windows, doors and roof lanterns that offer a stylish but practical solution to your home’s energy efficiency and aesthetic appeal.
At GHI, we offer bespoke double glazing solutions, custom-made to fit the exact measurements of your window or door, ensuring a perfect fit and optimal performance. Choosing bespoke solutions allows you to customise your double glazing to your specific needs and preferences.
You can select from a range of styles, finishes, and glazing options to match your home’s aesthetic. Bespoke double glazing can enhance the aesthetic appeal of your property, offering a variety of design options to create a unique look that complements your home’s style and increases its curb appeal.
Visit our Banstead showroom today to explore the quality and variety of our double-glazed products. We offer a wide array of designs and styles that cater to both modern and traditional tastes, ensuring there’s something for everyone.
Ready to begin your home improvement journey? Why not contact us on 01737 952033 or complete our online form and one of our team members will get back to you shortly!
Using specialist 3D software in double glazing allows our team to bring your vision to life. This software allows us to create accurate models of your installation, allowing you to visualise the final product before beginning work, as well as ensuring a perfect fit and optimal performance.
We offer a variety of standard and RAL shades to customise your double glazing frames, allowing you to create a unique look for your Merstham home. Whether you prefer a classic white frame or a bold, vibrant colour, our extensive range of options provides endless possibilities to enhance your home’s appearance.
With years of experience and extensive training, we are equipped to deliver tailored solutions for your Merstham home. We are committed to delivering outstanding quality in every project, from the initial consultation to the final installation. We ensure quality in every project by using high-quality materials, employing precise installation techniques, and providing excellent customer service.
Our bespoke double glazing solutions are available in various styles and designs, from traditional casement windows to modern tilt and turn designs, there’s a style to suit every home in Merstham. Choosing the right style for your home can be daunting which is why our team is on hand to guide you throughout the process, helping you select a design that complements your home’s architecture and meets your specific needs.
At GHI, we understand that home improvements can be disruptive. That’s why we strive to provide prompt and professional installation services in Merstham. Our team works efficiently, ensuring that your double glazing is installed with minimal disruption to your daily routine.
To learn more about our double glazing or to receive a custom estimate for your project, fill out our online form or contact our team on 01737 952033 to receive a personalised quote. The cost of double glazing can vary depending on several factors, including the size and style of the product, as well as the project’s location. Our online quote tool takes these factors into account, providing you with a free, accurate price for your home.
Double glazing provides a long-term investment compared to single glazed products, offering superior insulation and energy efficiency, which could lead to significant savings on your energy bills. Our windows and doors are constructed from premium, hardwearing materials, ensuring your investment will stand strong for years to come.
Customisable options
High-security locking mechanisms
Multi-chambered profile offers exceptional thermal efficiency
Our team of experienced professionals ensure that every installation meets the highest standards, working to provide you with excellent service and top-quality products. With over 20 years of experience in the home improvement industry, our team is here to help guide you through the process and help you make an informed decision for your Merstham home.
Contact our expert team today and we will be happy to advise you on the best home improvement solution for your Merstham home. Contact us on 01737 952033 or try our free online quoting engine today to get an instant estimate for your project. We look forward to helping you improve your home with our bespoke double glazing solutions.
“Their knowledge and advice regarding what would look good in my property was far superior, and their pricing was competitive. I have just had the windows and doors installed and am delighted with the products and quality of workmanship. A big thank you to the team. Would certainly recommend!”
“I have just had the new windows and doors fitted and am delighted with the end product, fitting, and the service provided throughout. I couldn’t be happier, so I had my bi-folding doors installed just before this heatwave. Special thank you to Sean for all his efforts and for keeping me informed throughout.”
“Aluminium windows, Schuco bifolding doors, and two flat rooflights installed to my property in Banstead, Surrey. Exceptional products, informative, genuinely helpful sales guy Jim and a first-class fitting team led by Phil. I am delighted with the work carried out by the whole team. I will continue to recommend it.”
“Extremely knowledgeable staff, high-quality products, fair, honest, and competitive pricing. Delighted with my new windows and aluminium patio sliding doors. Installed to perfection and doors glide effortlessly. A wonderful experience throughout and I would certainly recommend GHI.”
“I thought I would take the time to let you know how happy I am with my flush window and folding door installation. An extremely stress free, high quality installation. The guys were very tidy and took lots of care in my home.”
“A wonderful job provided by the GHI Windows team. I ordered Origin aluminium bifolding doors, a Solidor, and some residency 9 windows. First-class service, fairly priced & fitted to absolute perfection.”
“Superior service from the initial visit, which has continued all the way till the end when the items were fitted. I recommend this company very highly. It is clear how they have been around for such a long time and have so many shops in what seems a saturated industry.”
“Delighted with my new ALUK aluminium windows and doors. GHI has transformed my home with their design and colour advice. The installation team was friendly, worked extremely hard, and provided a superb finish, particularly for windows on the tiled elevations.”
“I had some residence 9 windows fitted in my last property, and the quality of the installation was nowhere near the exceptional standard produced by the guys at GHI. Thank you very much for a job well done!”
