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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
Mark Harrington
Oct 21,2020Our architect recommended Duplus Architectural Systems for a roof lantern to fulfill requirements on our proposed building project. I telephoned the Roof light Division Manager at Duplus in Leicester who I must say was absolutely brilliant. Expert knowledge and so helpful. We ordered two lanterns and paid the deposit. Duplus more than met our expectations, and despite Leicester entering a second Corona virus lockdown fabricated and delivered promptly (less than a two week delay on planned delivery). Excellent. what more can I say. Our project was delayed at the start of building, and as a result the lanterns had been stored in the garden. But now, finally installed and look fantastic. Brilliant. Well done Duplus!! Would definitely recommend.
BF
Oct 19,2020great to deal with from start to finish. now the skylights are in place very impressed with how they look
Athos Kyprianou
Oct 15,2020After many hours of research and numerous calls to various suppliers I came across Duplus. I knew after my first call that this company knew their product inside out. The service was excellent, lots of information and honest delivery times. Our roof lantern arrived exactly when promised, no issues whatsoever. The product itself was absolutely magnificent and was a dream to install. Top quality product and service to match.
Harry
Oct 13,2020I spoke with a number of similar companies and found that Gavin and the team gave the most competitive price and fantastic customer service. There was a shortage of glass during the order, but Gavin kept me up to date throughout. Would highly recommend Duplus. The glass fitted like a glove and looks amazing.
Graeme Atherton
Sep 15,2020Fantastic service from first initial contact with Gavin at Duplus. Lanterns arrived in time and in great consisting. Easy to fit and very stylish
Luke Barnett
Sep 10,2020Well done good service
Jackie Roper
Aug 25,2020Superb advice over the phone, easy to order, very quick to be delivered and even better quality than I’d hoped for. Thank you Duplus.
Michael McGowan
Jul 28,2020Gavin was invaluable on the phone and very patient talking me and the joiner through various queries. I’m two years in now and they are working well.
Kai Wing
Jul 24,2020Excellent pre-sales and technical support from Gavin Helgeson for purchase of a bespoke modular rooflight 10 metres long with wall abutment on three sides. Gavin was patient and answered all technical queries promptly and comprehensively, offering superb support to give me confidence that a supply-only solution could work for our installation. Very very refreshing to talk to a professional, not a pushy salesman.
Susan Taylor
Jun 29,2020We very recently bought two huge rooflights from Duplus Architectural Systems Ltd and they look stunning. The whole process from placing an order to taking delivery of them was made easy with the help of Gavin who did a great job. Even with the whole country going through the Coronavirus lockdown excellent communication was maintained, would definitely buy from them again and recommend them to others. Many thanks, a great job and well done.
anne edinburgh
Jun 24,2020My lantern window looks stunning! Feels like there is almost nothing between you and the sky. Visitors comment how much they love it.Really glad I made this choice. I was buying during the lockdown so difficult to say what the experience would be in 'normal' times, but they made efforts to keep in touch with me, so expect it would be fine.
Chris Fuller
Jun 19,2020Very pleased with roof lantern & guidance prior to purchasing, would definitely recommend this company.
Sean Hunt - Greenoak Builders
Jun 12,2020We had a 3.5m x 2m roof lantern. It comes as one so quite heavy (250kg). The up side is it is very easy to fit. Instructions for sizing the kerb are very clear. We ordered this just after the covid shutdown and had to chase a couple of times but can forgive this due to the circumstances.
Nick Dawson
May 27,2020Efficient, good customer service and an excellent quality product
Adam Clarke
May 19,2020The service I received from Duplus Architectural Systems has been excellent. During the lockdown period Gavin kept me fully informed of operations within the factory and when things got going again the delivery date was quickly confirmed and then bettered!. the actual rooflight is exactly what we were looking for with a sleek profile and not too much frame. I thoroughly recommend Duplus.
Sue Smith
May 19,2020This company were helpful from the onset. Gavin in particular gave great advice and their customer service during this pandemic has been exceptional, keeping us informed of the progress of our order throughout. can definitely recommend.
Carly
May 18,2020Gavin was incredibly helpful and efficient and despite covid the skylight arrived as advised . Pleasure to do business with them for a second time and it wont be last I'm sure !
Ed Paley
May 15,2020Great quality and value for money.. From placing my order to receiving it has been very straightforward. Good communication from the sales team.. Highly recommend Duplas.. E.P Building Oxford
Robbie Moore
May 14,2020Great product, I have had 3 roof lights from Duplus now easy to fit and look great when installed. Great customer service even during this lockdown period.
Philip Shaw
Mar 22,2021We ordered two electric sliding roof lights of which the products were fantastic, well built easy to install. We had a problem with the larger of the two, where the mechanic and the MD of the company came to the house and sorted out the problem. The service was excellent from ordering them to having them delivered. Nothing was too much trouble and the team are very friendly and very helpful. Would definitely recommend them.