You can be confident that you're installing high quality double-glazed windows when you choose St. James Windows. Always at the forefront of new glass and frame technology, we have 50 years’ experience behind us. That's why we're market-leading specialists with a reputation for offering our customers the best in attractive, energy-efficient windows.
For almost half a century we’ve been developing and installing double glazing in houses across the UK, helping to make homes warmer and more secure. Whether you’re building a new house or replacing original windows in an older property, we’ve got a window that’s right for your home.
Our double glazed windows will not only make your home feel cosier, they’ll also give it a facelift and transform the look of the property immediately. Each of our A rated as standard double glazed windows feature two equal 4mm glass panes, separated by a 16mm cavity, which achieve excellent heat retention and deliver a high level of 45db sound insulation. We also offer further sound reducing window options.
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Plus a huge range of optional colors are available on longer lead times.