Family run since day one, we have been delivering admirable home improvement solutions to the Cornish community for over 30 years. As one of the few remaining fabricators in Cornwall, our unwavering dedication to the provision of quality products, superb customer service and flexible lead times is as strong as ever.
RJM Windows is firmly established as one of Cornwall’s leading double glazing experts, manufacturing and installing a contemporary collection of competitively priced uPVC and aluminium home improvement products
all under one roof.
From traditional Cornish cottages in St. Austell to new build harbourside developments in Falmouth, no matter the style, our refined range of versatile uPVC frames and slender aluminium windows are sure to add essential character and style. Coupled with energy efficient double or triple glazing, we're confident we have a window style to suit you or your client’s individual requirements.
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Enhanced security, thermal efficiency and kerb appeal are guaranteed with RJM entrance door installations. Choose from practical uPVC doors, robust composite doors or sleek, long-lasting aluminium entrance doors. Complete with matching handles, furniture and hardware, the door of your dreams is only a click away!
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Whether you need extra room for a growing family or wish to transform a worn-out, cold and draughty conservatory into a space that remains at a pleasant temperature all year long, RJM can help. From planning through to completion, with RJM Windows you are only limited by your own imagination.
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High performance solid tiled roofing is changing Cornwall’s residential landscape for the better. Improving a range of property styles, RJM tiled conservatory roofs can also be added to modern sunrooms, garden rooms and orangeries with ease and finesse. We offer the award-winning Guardian Warm Roof system, the highly respected Ultraframe roof and the esteemed Eurocell Equinox roof.
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Due to the COVID-19 pandemic, our office and showroom remain closed to the public. However, we are accepting pre-booked appointments into the showroom following the latest guidelines and as always we are available to discuss your unique requirements by telephone or email. We can also provide contact-free, no-obligation quotes, carry out surveys and complete installations following strict operating procedures that will be explained in more detail once your order has been placed.
We look forward to welcoming you back very soon.
Book an appointmentWell-known for our strong family values, premium yet cost-effective home improvements and exceptional attention to detail, find out why our customers remain customers for life.
Very friendly and professional work force, finished to a high standard
Very pleased with standard of work and how they cleaned up once completed. Many thanksReplacement windows
Hard working and friendly team, who discussed the plan of work with us each day, and kept us informed of progress. Great attention to detail, neat finishes and we’re really...
We are dedicated to helping the Cornwall community in any way we can, no matter the query or the project size. Expect a friendly and personalised service, coupled with the most comprehensive quotes around.
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