0808 168 5208Call Black Knight Secondary Glazing Ltd

Contact us 8am - 9pm Monday - Sunday

  • Black Knight Secondary Glazing
  • Black Knight Secondary Glazing
  • Black Knight Secondary Glazing


Our Price Promise

We will match any genuine quotation, and promise to save you at least 5%* off your total cost.

Welcome to Black Knight Secondary Glazing Ltd

We are a specialist installer of high performance secondary glazing systems. The service we provide always promotes the best use and application of secondary windows in people’s homes and focuses upon quality, first class customer care and affordability.

Our team have worked with the product we use, since it was first designed over 30 years ago; it is independently tested and manufactured under an ISO9001:2008 quality management system.

You can rest assured that our secondary windows are going to be installed sympathetically in your home, in a way that is discreet and unobtrusive but one which will offer you unrivalled functionality and performance

Why Black Knight Secondary Glazing Ltd?

  • We offer friendly, expert advice for free - use our freephone number to call us at any time of day.
  • You can get to speak to or e-mail a knowledgeable member of our team 7 days a week.
  • We do not want you to purchase, until we are certain that it represents an excellent solution for you.
  • You can ask us to send an experienced advisor to look at your requirements with no obligation whatsoever.
  • We provide impressive levels of noise reduction that will make your home comfortable to live and sleep in.
  • You can reduce heat loss through single glazed windows by up to 70%.
  • We use an independently tested and approved secondary glazing system
  • You can be sure that we will always go the extra mile for our customers and want to exceed your expectations.
  • We treat every customer and size of job with equal respect and dignity.
  • You can be sure that if you need just 1 or 2 windows and are a distance away, we will help you – no job is too large or small!



How to find out more?

Book an appointment with us

Book an appointment

One of our friendly and knowledgeable glazing technicians will arrange a free, no obligation consultation at your home, at your nearest convenience.

Contact our freephone number 0808 168 5208

Phone Black Knight Secondary Glazing Ltd

For further advice or any additional information on our secondary glazing, contact our team of experts who are on hand to answer any questions you may have.

Send us your enquiry

Contact Black Knight Secondary Glazing Ltd

Simply send us your enquiry using the form to the right and one of our surveyors will respond quickly to action your request.

Request a Free Estimate

Request a brochure

Please feel free to provide us with your approximate window sizes and designs and we will provide you with a quick estimate.

Send Us A Quick Enquiry


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Contact Black Knight Secondary Glazing Ltd Today For A Free No Obligation Quotation, Freephone 0808 168 5208

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