From dramatic noise reduction to significant energy savings, secondary glazing transforms your home's comfort, security, and efficiency – all while preserving your original windows.
Reduce external noise by up to 80% with acoustic secondary glazing. Perfect for homes near busy roads, railways, or flight paths.
Up to 80% noise reduction
Learn more →Improve your home's thermal efficiency by up to 65%. Reduce heat loss in winter and keep cool in summer.
65% heat loss reduction
Learn more →Add an extra layer of protection to your windows. Secondary glazing makes break-ins significantly more difficult.
Additional security barrier
Learn more →Reduce your heating bills by up to 40% annually. Secondary glazing pays for itself through energy savings.
Up to £600/year savings
Learn more →Protect your furniture, artwork, and carpets from UV damage. Our glazing blocks up to 99% of harmful UV rays.
99% UV protection
Learn more →Eliminate cold draughts from old or ill-fitting windows. Enjoy consistent room temperatures year-round.
Complete draught sealing
Learn more →Reduce or eliminate condensation on your windows. Protect window frames from moisture damage and mould.
Condensation eliminated
Learn more →Keep your beautiful original windows while adding modern performance. Perfect for listed buildings and period properties.
Heritage preservation
Learn more →See how secondary glazing compares to replacement double glazing – especially for period properties.
| Feature | Secondary Glazing | Double Glazing |
|---|---|---|
| Noise Reduction | Up to 80% | 25-30% |
| Thermal Improvement | 60-65% | 50-60% |
| Preserves Original Windows | Yes | No |
| Planning Permission | Rarely needed | Often required |
| Installation Time | 1-2 hours/window | Full day |
| Disruption Level | Minimal | Significant |
| Cost | £200-600/window | £400-1000/window |
| Listed Building Suitable | Yes | Rarely |
If you live in a listed building, conservation area, or simply love your original windows, secondary glazing is the ideal solution. It adds modern performance without altering the character of your property.
Secondary glazing typically costs 30-50% less than replacement double glazing, with faster installation and less disruption. Plus, the energy savings mean it pays for itself over time.