20 Years
Experience
VELUX® Window & Glazing Specialists in Reading
Certified Installers Limited specialise in installing, replacing, and repairing VELUX® windows, sun tunnels, and flat roof windows for residential and commercial properties throughout the Reading area.
Drawing on over 20 years of experience, we are Reading'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 Reading 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.
Reading
Reading, a thriving town in Berkshire, is known for its excellent transport links, historic buildings, and a wide variety of homes—from Victorian terraces and post-war semis to modern apartments and executive new-builds. Popular areas like Caversham, Earley, and Tilehurst often feature loft conversions, extensions, and darker interior rooms that can benefit from added natural light. Velux roof windows and sun tunnels are an ideal solution—bringing light and airflow into your home while improving energy efficiency and enhancing overall living space.
At Certified Installers Limited, we proudly serve homeowners in Reading and the surrounding Berkshire region as certified Velux installers and FENSA-approved professionals. This means every installation we complete meets UK building regulations and is delivered to the highest industry standards. Whether you're looking to install a new Velux window, replace an old unit, or brighten a dark hallway with a sun tunnel, our experienced team offers expert, regulation-compliant service you can trust. For quality Velux installations in Reading, choose Certified Installers Limited.