Okehampton is a popular West Devon town on the edge of Dartmoor. Only 30 miles away from us here in Plymouth, we can easily travel here to enhance your home. From timber effect and aluminium windows to glazed extensions, we have the right solutions for you.

Our expert team know the area well and can help transform your Okehampton home with high-quality double glazing, front doors, bifold doors & sliding patio doors.


New windows & doors for Okehampton homeowners

Okehampton is the perfect place to get a taste of the real Devon. With a dedicated museum about Dartmoor Life, you can find out how people have lived and worked in this area for hundreds of years. Okehampton Castle is a well-visited attraction. Built-in the 11th century and unfortunately abandoned by the 19th century, it became popular with Picturesque painters. You can now visit the allegedly haunted ruins.


From Stockley to Belstone and South Zeal

As Dartmoor is a national park, your home could have certain restrictions over what you can and can’t improve. We can take care of all of the planning permission for you and ensure that we keep the heritage charm of your home. Whether you want to keep your home traditional or benefit from modern aluminium doors, Landmark can help.



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Project gallery

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

What our customers think

Read more reviews on Checkatrade.com

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.

Brands we work with

Rehau logo Deceuninck Solidor logo Smart logo origin accredited supplier logo Ultraframe logo Atlas logo Residence 9 collection logo