Since being founded in 1974 as a family-run business, Sternfenster have prioritised the people at the heart of our business. …
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How do you avoid double glazing installation problems? When you fit a new window, door or something else for a …
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Sternfenster Window Systems is proud to provide domestic aluminium windows that are great for any home. If you want a …
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At Sternfenster, we’re set to revolutionise our customer support with the launch of Proposal Builder, a next generation ‘lead to …
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Sternfenster customer, Fortress Windows and Conservatories, has said that the service and support we provide through our Sternfenster Plus customer portal …
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Sternfenster has been speaking talk Georgie Andrews, Director at Dorset based installer, TWR, about the advantages of our SFPlus customer portal: …
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