Free Quotation


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020 8981 5400

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We Worked Hard

Many Challenges

No matter what size of a job Knight’s Mark is offering free quotations with no obligation for security doors and windows. We will also give you the best advice in choosing the best option for you. We would keep you updated throughout the steps and let you know how long the process would take.
Free estimate
We will give you a quote shortly after one of our highly trained surveyors visit. Alternatively if you have the measurement’s you can also enquire online and one of our team members will be able to give you a free estimate.
Let's get in touch
Contact us today and talk through what are your needs and requirements and we will help you to enhance your homes or businesses security.

And Contact Us

Take The First Step

We are professionals throughout the whole supply chain and specialise in design, manufacturing and fitting of security doors and windows for over 9 years. The company offers a wide range of doors and windows for houses, apartments, vaults, hospitals, hotels, theatres and many other public and privately owned buildings.

Highly motivated team is ready to evaluate your home or business facilities and match the best security options for you.
We allow our customers to be a part of the business and give the possibility to make their own door design. This way you can put your personal touch on the final product and make it unique.