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Duplus have over 60 years experience of designing and manufacturing high performance market leading innovative rooflights. Our products have been tested to the highest standards in terms of weather performance and security. Our Approved Document Part Q compliant rooflights meet the strict standards required to achieve Secure by Design accreditation. Also accredited with Dow Corning 'Quality Bond' certification and using state-of-the-art Dow Corning products, we can guarantee that our rooflights are manufactured to the highest standards in quality control, quality assurance and world class performance in structural silicone glazing. Many of our products have been used on numerous prestigious projects such as: Tate Modern and Savoy Hotel.
Reviews 269
Daniel Brownlow
Apr 19,2018Fantastic job supplied by Duplus, customer was very pleased with there new roof lantern
Trudi Rowe
Mar 20,2018Good service and delivery....
Harry2
Mar 19,2018Product seem good, a bit too early to tell, and it turned up on time, they gave me a scare when I called to enquire about delivery as they were a bit vague, but in the end all was good so on balance I'd give them a thumbs up and recommend them
Jason Harris
Mar 19,2018Great product, great price, great service, why would you go anywhere else?. Jason harris Hampshire
Peter
Mar 08,2018Very good advice from them by phone and generally just an easy and excellent company to deal with. Final lantern light product in now installed and its great.
mike
Mar 07,2018Superb - Just had 2.5m x 1.25m Lantern light delivered exactly one month after order/payment.Fitted perfectly as described, looks great. Very good company with excellent fitting instructions etc all screws etc provided. Thoroughly recommend.
Oliver
Mar 05,2018Easy to install & great service
Mark Newton
Mar 05,2018Gavin was a pleasure to deal with, the roof light arrived earlier than the time frame given and the product was described perfectly and suits our needs very well indeed. I wouldn't hesitate in recommending Duplus to anyone looking for roof lights and/or skylights.
Chris B.
Feb 26,2018Really Easy to deal with. Very Quick Service. Nice looking roof lights - they look great not they are installed!
Tom Marshall
Feb 21,2018Great quality product and great price.
Gabriel
Feb 08,2018Excellent, easy to install, and good quality of the product.
Kevin Hughes
Jan 30,2018Looks great & so easy to install
rossc
Jan 25,2018We only got our roof lantern from Duplus but got our bifold doors from Kloeber. I wish i had got both from Duplus. Amar was very good, service was good, delivery was as described, product is excellent.
Karen White
Jan 18,2018My experience with Duplus from start to finish was excellent. Gavin is so helpful and provided me with all the information that I needed. My roof light is truly amazing - it is chic and elegant and it has definitely provided the "wow' factor that I was looking for. Don't look any further - Duplus are great!
Mr. IAN BUTTERWORTH
Dec 24,2017Very impressed with the quality of the lantern and particularly the friendly and helpful advice given by Gavin on the telephone.
BLP
Dec 04,2017Having researched the market for a super thin, contemporary framed roof lantern, I selected Duplus, and are extremely happy with the result. The unit is very crisp, beautifully made, and very strong. Installation was a very straight forward. From the initial interaction, through to the final order placement three months later, Amar and the sales team were knowledgeable about their product, happy to answer questions, and able to make suggestions for product selection and specification. Questions were quickly turned around. Making payment was simple and straight forward with no hassle. When it came to the delivery of a rather substantial unit, Simon and the warehouse team packaged and delivered on time, despite the fact the location was a 4 hour drive from the factory on a Saturday morning, and prior to this were able to answer the various queries that I had easily and with re assurance. I would have no hesitation in recommending the Duplus team for the quality and workmanship of their products. To steal a quote, “This is not just a roof lantern. This is a British engineered roof lantern”
Susan Stevens
Dec 02,2017Helpful telephone staff. Delivered on time. Very pleased with the lantern.
Sam-Sky Glass
Nov 18,2017Exellent service and great job, Sam Sky Glass Ltd
Rick Stevens, RWS BUILDERS
Nov 18,2017Great choice to use Duplus architectural systems Ltd, Great product, very professional, Definitely use them again no question, Thanks,
Rob Donnelly
Apr 20,2018Great great company and a fnatastic product. I ordered a Lantern rooflight from Gavin and he was extremley helpful and knowledgeable. The roof light was delivered on time and well transported and packaged. It's now in situ and it looks amazing, easy to install as well. Very good on price as well so I couldn't really be happier. Thouroughly reccomend this company.