Window Repairs & Sealed Units
Keep your existing frames - just replace the glass or repair the mechanisms
Get Your Free Sealed Unit Replacement Quote
Measure your windows and get an instant price - no salesman required!
Window Repair & Sealed Unit Replacement
Save money and time by keeping your existing frames. Perfect when your frames are in good condition but the glass or mechanisms need attention.
Sealed Unit Replacement
Ideal when your glass is misted, cracked, or you want to upgrade to decorative or energy-efficient glass. Keep your existing frames and save up to 70% compared to full replacement.
- ✓Fix misted or failed double glazing
- ✓Replace cracked or broken glass
- ✓Add decorative glass (leaded, Georgian bars)
- ✓Upgrade to energy-efficient glass
- ✓Installation within 1 hour
Need Complete New Windows?
If your frames are old, damaged, rotting, or you want to completely upgrade your windows, our full installation service provides new frames and glass together.
Consider full replacement when:
- • Frames are over 20 years old
- • Visible rot or damage to frames
- • Poor insulation around frames
- • Want to change window style/size
- • Upgrading from single glazing
Modern Liniar frames with A+ rated glass, professional installation, and 10-year insurance-backed guarantee.
Our Repair Services
Professional solutions for all window problems
Misted Windows
Condensation between panes? We replace failed sealed units quickly and efficiently.
10-year guarantee
Mechanism Repairs
Handles, hinges, locks - we repair or replace all window hardware components.
Same-day service
Glass Upgrades
Add decorative glass, Georgian bars, or upgrade to energy-efficient units.
Transform in hours
Industry-Leading Guarantees
Year Guarantee
uPVC & aluminium frames
Year Guarantee
Wooden frames
All sealed units manufactured to measure with comprehensive protection against seal failure
Energy Efficient Glass Upgrades
We're experiencing increasing demand for energy-efficient glass upgrades. If your windows were installed after 2002, you already have energy-efficient (low-e) glass as required by building regulations.
However, you can still upgrade to the latest energy-efficient glass without changing your frames.
Try our online pricing system or give us a call for a free quote on upgrading your glass to the latest energy-efficient standards!
Transparent Repair Pricing
Fixed prices with no hidden costs - all prices include VAT and fitting
Window Hardware Repairs
Standard Hinges
Friction hinges replacement
Specialist Hinges
Easyclean, fire or restrictor
Window Handles
Espagnolette or Cockspur
Mechanisms
Complete replacement
Adjustments
Fix catching windows
Sash Jammers
Security locks (each)
✓ All prices include VAT • ✓ Professional fitting included • ✓ Same-day service available
Why Choose Smashing Windows?
Over 40,000 sealed units replaced since 2003
Rapid Response
Same-day service available. Most sealed units replaced within 1 hour of arrival.
CERTASS Registered
Fully certified installers with insurance-backed guarantees for complete peace of mind.
Best Value
Save up to 70% compared to full window replacement. Fixed prices with no hidden costs.
20+
Years Experience
40,000+
Units Replaced
100%
Satisfaction Rate
Ready to Fix Your Windows?
Get an instant quote for sealed units or book a free survey for repairs
Or call us directly on 01296 630650 for immediate assistance