Quality uPVC & Aluminium Double-Glazing Wembury
Landmark are specialists in the installation of Aluminium & uPVC Windows, Doors, and Double-Glazing in Wembury and the surrounding areas for both homes and businesses.Â

Trust Our Experts for Double-Glazing in Wembury
Landmark is an independent, family-run business with over 35 years of experience in the double-glazing industry, bringing vast expertise to uPVC and aluminium installations. Whether you are considering new glazing for a development or replacing existing Aluminium or uPVC Windows and Doors, we are here to transform your spaces. We proudly serve all Wembury (PL9) households.Â
At Landmark, we focus on providing a personalised experience for every customer. We don’t have salespeople, so there is never any pressure to commit. When you request a quote, our Director, Mark, will visit your home in person. He will listen carefully to your requirements and use his deep industry knowledge to recommend the best option for you. He will also take initial measurements to ensure the quote is accurate. After you receive your quote, the next move is entirely up to you – we will wait to hear from you if you decide to go ahead.Â


From uPVC Windows to Aluminium Bifolds – Landmark’s Got it All!
The Landmark team have delivered successful double-glazing installations in Wembury and nearby areas, working with a wide variety of homes and commercial properties. Our clients include both private and public sector organisations, as well as local councils. As a FENSA-Approved Installer (Reg: 32985), we bring extensive experience in working alongside builders, architects, and other trades. We are fully equipped and ready to take on projects of any size.Â
Enjoy Your Favourite Views With Landmark Windows & Doors
When you choose Landmark for your double-glazing in Wembury, you’ll save money on your energy bills and increase your property’s appeal. With our sleek sliding patio and bifold doors, you can also take in your garden views better than ever.Â
Reviews from our Happy Customers
We love to hear from our happy clients. At Landmark Windows & Doors, we truly appreciate honest customer feedback, as it helps us get better. We have over 100 customer reviews on Checkatrade – please feel free to read some of them below. If you have used our services, we would be thankful if you leave us a Checkatrade or Google review.Â
Our Work – Gallery Images
Founded in 2004, Landmark Windows are specialists in the professional installation of uPVC and Aluminium Windows and Doors, supplying top-quality double-glazing in Wembury and the wider area. We understand that every customer has different tastes, which is why we provide a wide selection of styles, ranging from sleek, modern designs to more classic or heritage-inspired options.Â
For period properties, we offer timber-look uPVC Sash Windows and Doors, complete with authentic details like sash horns and astragal bars. These combine timeless charm with modern benefits, including excellent weather resistance and energy efficiency.Â
For modern homes, our Aluminium range brings a clean, contemporary look. With powder-coated finishes and cutting-edge thermal features, they deliver high performance in a slim but sturdy frame that supports large glass panels with ease.Â







A Few Frequently Asked Questions
How can we be sure that your work is high-quality, and in accordance with industry standards?
Landmark Windows & Doors are a FENSA registered company.  This scheme is government-authorised, and we are regularly assessed to ensure that we comply with building regulations and standards.Â
What happens if there is a problem with my window or door installation?
All our products are guaranteed by Installsure (member no. 2086). Founded by the Glass and Glazing Federation, they aim to provide homeowners with protection and peace of mind on their investments. In the unlikely event of a problem with the installation of windows or doors, we will do everything to ensure it is rectified.Â
We are very cautious when allowing people into our home. How do we know we can trust your company?
Landmark Windows & Doors are Trustmark accredited. When choosing us, you can be sure that we have been vetted to meet the required standards to improve protection for homeowners and have made a commitment to delivering good customer service. We adhere to strong family values and always treat you with respect, providing an honest service. Â
We have heard about some other companies putting pressure on customers, so salesmen can meet their targets. How do we know you won’t do the same?
Landmark Windows DO NOT employ salesmen. We want our customers to feel safe and secure in the knowledge that they are in control. If you request a quote, you will be visited personally by our Owner/Director. He will sit down and discuss your requirements, and he will give you honest advice when you ask for it. With over 35 years of experience in the industry, he can help you with your queries. He will take rough measurements on the day to enable him to go back to the office and prepare an accurate quote. This will be emailed to you, unless you agree on another method. We then leave you to decide whether you wish to proceed with the work, and we will wait for you to contact us if you wish to move forward.

Working With Quality Brands for the Best Results, Every Time!
At Landmark Windows & Doors, we are dedicated to providing exceptional quality by partnering with trusted, high-performance brands. Our goal is to offer our valued customers the best products at competitive prices. Your satisfaction is our top priority in everything we do.
Contact Our Friendly Team
If you are looking for a trustworthy company that offers reliable double-glazing in Wembury, Devon, or Cornwall, Landmark are here to help! Please contact us using the details below to arrange a quote visit. We look forward to discussing your double-glazing needs.Â
Design meetings are readily available upon request.Â
Speak To Us
01752 283834
Message Us
Click here to message our team through our contact form.
Opening Times
Monday - Friday:
9:00am - 4:30pm
Our Office
2, Officers Quarters, Crownhill Fort, Crownhill, Plymouth, PL6 5BX



















