Double Glazing Installers in Devon & Cornwall

One of Plymouth's leading home improvement and glazing specialists, we are dedicated to always going the extra mile for our customers. With our unique experience and knowledge, we help with any local planning questions to improve not only the comfort but the value of your home. Whether you want to upgrade your windows or finally build that dream glazed extension, Landmark are here to help.

Get a Quote Our bifold door range

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High-quality products and service guaranteed

With 30 years of experience, our family-run company are experts in the installation of uPVC and aluminium glazing. We add the personal touch to any project we work on. Whether you are looking for new uPVC or modern aluminium windows or want to add something new to brighten up your home such as bifold doors, Landmark is the company you can trust.

We are certified by FENSA and have an insurance-backed guarantee on all of our products. You can trust us to get the job done efficiently, leaving you with a home you can be proud of. If you live within 25 miles of Plymouth, contact us to see how we can make your home improvement ideas come to life.

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Why choose Landmark Windows?

Trust and Honesty

We are committed to providing you with reliable products and service

Family Oriented

We are family-run and take care to give each job the personal touch

Approachable

We are a friendly team who only want to provide you with honest advise with no hard sell tactics

Affordable

We have quality products for all budgets and can advise on what will work best for you

Experienced

We have over 30 years of experience and can advise on all aspects of your home improvements

Local Knowledge

We know Plymouth like the back of our hand and can advise on what works best for the area

Fensa registered company

Our customers can be confident that the quality of our work and products surpasses industry standards. You can be reassured that by choosing us you will get quality results every time!

Installsure insurance backed

All of our products come with a guarantee backed by Installsure. 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 there being a problem with an installation, we will do everything to make sure you are satisfied.

Trustmark accredited

We are committed to always adhering to government endorsed standards and providing quality tradespeople that you can trust.

Project gallery

Take a look at some our previous work and gain some inspiration for what we can do for you.

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What our customers think

x x x x

Overall my wife and I were very pleased with all aspects of the job. The quality of the replacement window and doors together with workmanship was to a high standard.

To replace and fit 18 upvc windows, 2 patio doors and 3 residential doors

“Job completed on time. Very polite. Tidy. Would recommend them to anyone. More than pleased with the job and workmen.”

Customer in Plymouth

“Landmark window systems provided a professional quality service from start to finish, we are delighted with outcome.”

Customer in Plymouth

“We are delighted with our new door. It creates a great impression for our clients who visit the premises.”

Customer in Plymouth

Brands we work with

Our Offices

Our offices are currently unmanned, please get in touch to book an appointment.

Landmark Window Systems, No. 7 Christian Mill Business Park, Tamerton Foliot Road, Crownhill, Plymouth PL6 5DS

Mon - Fri 9am - 4:30pm

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