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Glaziers install and repair windows, doors and glass, including double glazing and conservatories. They improve insulation, security and the look of your home.
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View allWhen to hire a glazier
Hire a glazier for broken or misted windows, new double glazing, door glass, conservatories, or emergency board-up after a break.
What to check before you hire
- FENSA or CERTASS registration for replacements
- Energy ratings on new glazing
- Public liability insurance
- A guarantee on units and seals
Glazier FAQs
How much to replace a misted double glazed unit?
Replacing a misted sealed unit typically costs £60–£150 per window, far cheaper than a whole new window.
What is FENSA?
FENSA is a self-certification scheme for replacement windows and doors, confirming they meet building regulations.
How long do double glazed windows last?
Quality double glazing lasts 20–35 years, though seals may need attention sooner if units mist up.
Can you repair a window instead of replacing it?
Often yes. Misting, faulty handles, hinges and locks can usually be repaired without a full window replacement.