20 Years
Experience
VELUX® Window & Glazing Specialists in Sheffield
Certified Installers Limited specialise in installing, replacing, and repairing VELUX® windows, sun tunnels, and flat roof windows for residential and commercial properties throughout the Sheffield area.
Drawing on over 20 years of experience, we are Sheffield's most trusted VELUX window installation and repair company. We are able to discuss any issues you may have with your current installation and advise you on the most cost-effective solution, please do not hesitate to email us or telephone us for a free survey or quote.
We offer a variety of styles and types of glass to fit any window in your home.
VELUX INTEGRA® is the finest in windows, blinds and shutter technology.
What makes us different
Certified Installers Limited has specialised in new VELUX Installs, VELUX repairs and VELUX maintenance for a wide range of customers in the Sheffield area.
Our skilled team have the training and experience to ensure we complete all our repair work to the highest standards. All ranges of work are undertaken, from residential VELUX Installations, VELUX glass replacement, VELUX Replacements and VELUX repairs to large projects like industrial and commercial skylight Installs, skylight repairs, rooflight replacements and roof light maintenance.
What our Customers say
Excellent service
“I would highly recommend Certified installers. I had a Velux fitted in a rural location in the Scottish highlands, excellent service and very happy”
Jess Mackinnon
They go the extra mile
“Had an issue with the weather for the last couple of appointments, which obviously can't be helped, the lads came today on thier day off and completed my new Velux as my old one was leaking really bad.
Really appreciate people going the extra mile”
Teddy
Free Quotes & Estimates
Please feel free to contact us anytime on 0800 368 2988, we are always happy to call round to give you a free quote on any project you may have for us.
We have many satisfied customers throughout the UK and we regularly complete major contracts across the whole of the UK.
Sheffield
Sheffield, a vibrant city in South Yorkshire, is known for its industrial heritage, green spaces, and a diverse range of housing—from traditional terraced homes and Victorian semis to modern developments and hillside properties. With many homes across areas like Ecclesall, Crookes, and Hillsborough benefiting from loft conversions or single-storey extensions, Velux roof windows and sun tunnels are a fantastic way to bring in natural light, improve ventilation, and enhance overall energy efficiency. These installations add both comfort and value to properties throughout the city.
At Certified Installers Limited, we are proud to offer professional Velux services across Sheffield as certified Velux installers and FENSA-approved contractors. This means every installation is carried out to meet UK building regulations, ensuring quality, safety, and peace of mind. Whether you need a new Velux window, a replacement unit, or a sun tunnel to brighten your space, our experienced team provides expert, regulation-compliant service across Sheffield. For trusted Velux window and sun tunnel installations in Sheffield, choose Certified Installers Limited for results you can rely on.