20 Years
Experience
VELUX® Window & Glazing Specialists in Manchester
Certified Installers Limited specialise in installing, replacing, and repairing VELUX® windows, sun tunnels, and flat roof windows for residential and commercial properties throughout the Manchester area.
Drawing on over 20 years of experience, we are Manchester'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 Manchester 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.
Manchester
Manchester, a major city in the North West of England, is known for its diverse housing stock—from red-brick Victorian terraces and post-war semis to contemporary townhouses and city-centre apartments. With many homes featuring loft conversions, extensions, or dark internal spaces, Velux roof windows and sun tunnels are a smart and stylish way to bring in natural light and enhance ventilation. Whether you’re in Didsbury, Chorlton, Salford, or the city centre, improving your home’s lighting and energy efficiency with Velux products is a proven way to boost both comfort and property value.
At Certified Installers Limited, we are proud to be certified Velux installers and FENSA-approved professionals. This means our work meets strict UK building regulations and is recognised for quality and compliance. From Velux window installations to repairs and replacements, we provide reliable, expert service across all areas of Greater Manchester. Trust our team to deliver clean, secure, and regulation-compliant Velux installations that last.