20 Years
Experience
VELUX® Window & Glazing Specialists in Liverpool
Certified Installers Limited specialise in installing, replacing, and repairing VELUX® windows, sun tunnels, and flat roof windows for residential and commercial properties throughout the Liverpool area.
Drawing on over 20 years of experience, we are Liverpool'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 Liverpool 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.
Liverpool
Liverpool, a vibrant city in the North West of England, is known for its rich architectural heritage and diverse range of housing—from historic Georgian terraces and Victorian homes to modern waterfront apartments and suburban developments. Many properties across areas like Allerton, Aigburth, and Crosby can benefit from enhanced natural light and ventilation, making Velux roof windows and sun tunnels a popular upgrade for lofts, extensions, and underused spaces. These installations not only improve comfort but also help boost energy efficiency and add value to your home.
At Certified Installers Limited, we’re proud to be certified Velux installers and FENSA-approved professionals, ensuring all our work meets the highest standards of quality and building regulation compliance. Whether you're replacing an old Velux window or installing a new one in your Liverpool property, our experienced team delivers expert solutions tailored to your home's style. For reliable, regulation-compliant Velux installations in Liverpool, trust Certified Installers Limited for peace of mind and long-lasting results.