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Your VELUX® Window Expert in Crook

Certified Installers Limited specialises in installing, replacing, and repairing VELUX windows, sun tunnels, rooflights and flat roof windows for residential and commercial properties throughout the Crook area.

20 Years

Experience

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VELUX® Window & Glazing Specialists in Crook

Certified Installers Limited specialise in installing, replacing, and repairing VELUX® windows, sun tunnels, and flat roof windows for residential and commercial properties throughout the Crook area.

Drawing on over 20 years of experience, we are Crook'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.

VELUX roof windows create aesthetically pleasing, light-filled rooms.

We offer stylish blinds tailored to your personal taste and needs.

We replace old Windows with Superior quality long-lasting insulated products.

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.

Repair and Maintenance of VELUX Windows by our specialised staff.

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 Crook 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.

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Crook

Crook in Durham is a vibrant market town known for its rich history and strong community spirit. Located near Bishop Auckland, Crook offers a variety of housing options, local shops, parks, and schools. The town's lively atmosphere and beautiful surrounding countryside make it an attractive place to live for families and professionals alike.

Certified Installers Limited:
Certified Installers Limited proudly serves the Crook community in Durham with our expertise in Velux Windows. As a FENSA certified company, we guarantee exceptional workmanship and compliance with building standards. Our range of services includes Velux Window Installation, Velux Window Replacement, and Velux Window Repairs. We specialise in Velux Installation, Velux Replacement, and Velux Repair, ensuring reliable and high-quality service. For Velux Glass Replacement or Velux Blinds, our team is ready to meet your needs. We offer Velux Automatic Modifications to enhance your home's convenience, alongside Skylight Repairs, Skylight Installs, and Skylight Replacement. Our services extend to rooflight window installations, roofing, and Solar Panel Installation. Additionally, we provide pet-friendly solutions such as Dog Flap Install, Cat Flap Install, and Pet Flap Install. Our comprehensive services also include window and door installation, and window and door replacement, ensuring your home remains both visually pleasing and functional.

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