About Mainstream

For over 20 years, our award-winning FENSA regulated firm has successfully installed high quality windows, doors and conservatories to customer throughout Birmingham, Solihull and Worcester. Our company is owned and run by three experienced directors that work in a ‘hands-on’ role – and are dedicated to delivery customer service to the very highest standards!


We pride ourselves on attention to detail to ensure we give you exactly what you require to make your house a home. That goes for our experienced friendly fitters too, they are dedicated to ensureing we instal the highest of standards, with minimal distruption and leave everything clean and tidy. We want to ensure we can offer the very best performing products, thats why we offer Safechoice double glazing.


Made from the very highest specification, including Yale doors locks, SAC high security hardware, Duraflex Q-lon weatherseal and Pilkington glass, all designed to give you the very highest specification of products that are also available in a wide variety of colours and hardware finishes.

Call us old fashioned – but our history and experience confirms that by supplying you with the product that best suits your needs, rather just making a sale, will give you years of enjoyment and satisfaction, rather than heartache and frustration.

Our friendly ‘family’ firm are just an email or telephone call away – please contact us

Mainstream Windows also offers a fully supported supply and installation service to commercial organisations seeking new aluminium shopfronts and curtain walling systems. We also carry out a wide range of commercial work for colleges and schools, we have completed many installation in the local area including: Solihull College, Colmore Junior School plus many more. Contact us for more details.

Your local double glazing specialists throughout Birmingham, Worcestershire and beyond...  

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