Trade guide
How to Become a Glazier in the UK
Overview
Glaziers install, repair, and replace glass in windows, doors, shopfronts, conservatories, and curtain walling. With the UK's focus on energy efficiency (double and triple glazing upgrades), new-build housing, and commercial construction, glaziers are in strong demand. The trade combines practical skills with technical knowledge of glass types, thermal performance, and building regulations. It's a rewarding career with good progression into management or business ownership.
Next steps
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Step-by-Step Career Path
Get Started
GCSEs in Maths and English are helpful. Technical drawing or Design & Technology are a bonus. No formal qualifications are strictly required to start.
Start an Apprenticeship
A Level 2 Apprenticeship in Glazing takes 2-3 years. You'll learn glass cutting, window installation, sealed unit replacement, and safety procedures. The Glass Qualifications Authority (GQA) sets the standards.
Complete NVQ Level 2 in Glazing
Covers fenestration installation (windows and doors), glass processing, sealed unit manufacture, and compliance with building regulations. You'll work with various glass types and frame materials.
Get Your CSCS Card
Required for construction site work. Your NVQ and CITB Health & Safety test qualify you for the Blue Skilled Worker card.
Add FENSA or CERTASS Registration
If installing replacement windows and doors, your employer needs FENSA or CERTASS registration to self-certify compliance with building regulations. Understanding these schemes is essential.
Specialise and Progress
Specialise in commercial glazing (curtain walling, structural glass), heritage glazing (leaded lights, stained glass), or start your own window installation business.
Qualifications Needed
- ✓NVQ Level 2 in Glazing
- ✓GQA Qualifications
- ✓CSCS Blue Card
- ✓CITB Health & Safety Test
- ✓FENSA/CERTASS Awareness
- ✓NVQ Level 3 (advanced, optional)
Pros & Cons
Pros
- Good earning potential with progression
- Growing demand from energy efficiency upgrades
- Varied work — domestic, commercial, heritage
- Satisfying — immediate visible results
- Can start your own window business
- Less physically demanding than some trades
Cons
- Working with glass carries cut/injury risk
- Heavy glass panels require careful handling
- Working at height for some installations
- Weather exposure for external work
- Need to keep up with building regulation changes
- Competition from large national window companies
Frequently Asked Questions
How much do glaziers earn in the UK?▼
Employed glaziers earn £24,000-£36,000. Experienced glaziers and those in commercial work earn £35,000-£45,000. Self-employed glaziers running their own window installation businesses can earn £40,000-£60,000+.
What qualifications do I need to be a glazier?▼
An NVQ Level 2 in Glazing and a CSCS card are the standard requirements. No formal academic qualifications are strictly needed to start training, though GCSEs in Maths and English are helpful.
What is FENSA?▼
FENSA (Fenestration Self-Assessment Scheme) allows registered companies to self-certify that replacement windows and doors comply with building regulations. If you're installing replacement windows, your company should be FENSA or CERTASS registered.
Is glazing a good career?▼
Yes. The UK government's push for energy-efficient homes means millions of windows need upgrading to double or triple glazing. Combined with new-build housing and commercial construction, glaziers have a secure and growing market.
Can I become a glazier as a career changer?▼
Yes. While apprenticeships are the main route, some companies will take on career changers and train them on the job. The NVQ can be completed while working. Prior construction experience is helpful but not essential.
More glazier guides to compare
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Salary guide
Glazier Salary UK: Pay, Day Rates and Commercial Glazing Earnings in 2026
Real glazier salary figures for the UK in 2026. Compare employed pay, glazing day rates, emergency glass, curtain walling, shopfronts and commercial glazing earnings.
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