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Guarantee

All our windows and installation work is backed by our 10 year guarantee meaning you can order your windows with absolute peace of mind.

Why Marshall Double Glazing?

We have been manufacturing and installing windows for over 30 years. All our installers are employed by us directly which means we never use contractors. We can guarantee you will be happy with your windows for years to come.

We’d love you to come and view our factory where you can see the manufacturing process take place, just drop us a line using the contact form below or call us anytime on 01920 877866 to arrange a visit.

Terms and Conditions

Download our terms and conditions for full details of the guarantee.

Marshall Terms and Conditions PDF

Contact Us

Our customers include both domestic and commercial clients, most of which come via recommendation. We have been professionally installing windows, doors and conservatories for over 30 years.






We manufacture all our own products
in-house
and no job is too big or too small.