How Much Does Double Glazing Cost?
New double or triple glazing improves energy efficiency, noise insulation, and security. Costs depend on the number and size of windows, frame material, and glass specification.
Typical UK Costs
Budget£3,000Basic specification
Average£6,000Mid-range finish
Premium£12,000High-end specification
Get Your Personalised Estimate
These are average UK costs. Get a more accurate estimate tailored to your specific project details and location.
Get a Personalised EstimateWhat Affects the Cost?
- Number and size of windows
- Frame material (uPVC, aluminium, timber)
- Glass specification (double, triple, low-E)
- Style (casement, sash, tilt-and-turn)
- Removal of old windows
Frequently Asked Questions
How much does a single double-glazed window cost?
A standard uPVC casement window costs £300-£600. Aluminium frames cost £500-£900. Timber sash windows can cost £800-£1,500 per window.
Is triple glazing worth it in the UK?
Triple glazing costs 20-30% more but offers marginally better insulation. Most worthwhile for north-facing rooms or noisy locations.