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30 Years
experience
Emergency
services
Trusted Window & Door Installers in the North West
CGS Glazing is a family-run glazing and uPVC installation company established in 1996, operating across the North West of England. With locations in Burnley and Preston, we specialise in premium uPVC windows, composite doors, aluminium bifold doors, and energy-efficient double glazing solutions. Our team of experienced fitters and glaziers are Disclosure Scotland (CRB) checked, ensuring a professional and trustworthy service. As FENSA registered installers (no. 27980), we adhere to strict industry standards and offer 10-20 year insurance-backed guarantees on our products.

We pride ourselves on retaining existing window frames during repairs, saving customers hundreds of pounds while maintaining thermal efficiency. Our expertise extends to conservatory renovations, roof upgrades, and emergency repairs, serving both residential and insurance-sector clients. With over 25 years of experience, we combine technical proficiency with a customer-centric approach, reflected in our numerous positive reviews and word-of-mouth referrals.
Services
Replacement double glazing uPVC window installation Composite door installation Aluminium bifold doors Conservatory renovation Emergency glazing repairs Yale Smart Door Locks uPVC roofline products Window handle repairs Thermal glass upgrades
Details
  • Year established: 1996
Highlights and features
  • 25+ years of expertise in uPVC and glazing installations
  • FENSA registered with industry-leading guarantees
  • Premium products from REHAU, VEKA, and Rockdoor
  • CRB-checked professional installation teams
  • Cost-effective repairs retaining existing window frames
Associations and certifications
  • FENSA
  • Planitherm
  • Disclosure Scotland
What people say
Professional & competent service Great service well priced Speedy replacement of misted windows Excellent communication First-class installation
Services
Replacement double glazing
We specialise in replacing misted double glazing units while retaining existing frames, saving customers significant costs. Our A-rated energy-efficient glass options improve thermal performance and security. All installations come with 10-20 year insurance-backed guarantees.
uPVC window installation
We install premium uPVC windows from REHAU and VEKA, available in casement, bay, sash, and tilt-and-turn designs. Options include Planitherm glass for enhanced insulation and Yale Smart Lock compatibility. All windows meet PAS 24 and Part Q security standards.
Composite door installation
Our composite doors from Rockdoor, Emplas, and Ultimate Collection combine durability with security. Features include multi-point locking systems, thermal efficiency, and 10-year guarantees. Available in over 50 finishes and styles for front, back, and stable doors.
Conservatory renovation
We transform underused conservatories with energy-efficient glass roofs, lighting installations, and draught-proofing. Our upgrades convert spaces into year-round living areas while enhancing property value through improved thermal performance.
Emergency glazing repairs
We offer rapid response for broken windows and doors, with same-day service available. Our technicians secure properties quickly using durable materials, ensuring safety and compliance with building regulations.
People
Nick Emmott
Founder
Nick founded CGS Glazing in 1996 after working in the glazing industry since the early 1990s. He pioneered misted double glazing repairs in the region and expanded the business to include full uPVC installations while maintaining a focus on quality and customer satisfaction.
Matthew Pickles
Director
Matthew joined CGS in 2003 during its transition from sole trader to limited company. He oversees operations and ensures adherence to FENSA standards, combining technical expertise with a commitment to maintaining the company's reputation for reliability and craftsmanship.
Questions
Do you offer emergency glazing repairs?
Yes, we provide rapid response for broken windows and doors, often completing repairs within hours of your call.
Can you replace double glazing without removing frames?
Yes, we specialise in replacing misted units while retaining existing uPVC, timber, or aluminium frames to save costs.
What areas do you cover?
We operate throughout Lancashire and the North West, including Burnley, Preston, Blackburn, and Chorley.
Are your installers CRB checked?
Yes, all our technicians undergo Disclosure Scotland (CRB) checks before working in customers' homes.
Do you offer guarantees on installations?
Yes, we provide 10-20 year insurance-backed guarantees on all our uPVC products and installation workmanship.
Can you upgrade existing double glazing?
Yes, we can replace old units with energy-efficient Planitherm glass to improve insulation and reduce heat loss.