Double Glazing
Compare double glazing costs, materials, and installers — plus get free quotes from vetted companies near you.
£300–£800
Per window
£3k–£8k
Full house (10 windows)
20–25 yrs
Lifespan
Up to 80%
Noise reduction
Double Glazing Guides
Expert advice on choosing the right windows for your home and budget.
🌡️
Energy Efficient Windows
How energy ratings work, what U-values to look for, and which windows save the most on your heating bills.
Read the guide →⚖️
uPVC vs Aluminium vs Timber
A side-by-side comparison of the three main frame materials — cost, durability, aesthetics, and thermal performance.
Compare materials →📋
Get Free Double Glazing Quotes
Compare quotes from vetted double glazing installers near you. Free, no obligation.
Get free quotes →Double Glazing at a Glance
uPVC window
£300 – £600
Most popular choice
Aluminium window
£400 – £800
Slimmer frames, modern look
Energy savings
£100 – £200/yr
Replacing single glazing
Lifespan
20–25 years
With proper maintenance
Installation time
1 day per 5 windows
Typical domestic job
Noise reduction
Up to 80%
Vs single glazing
Get Free Double Glazing Quotes
Compare quotes from vetted installers near you. No obligation, no cost.
Get Free QuotesFENSA registeredVetted installersNo obligation
Frequently Asked Questions
How much does double glazing cost? +
Individual windows cost £300–£800 depending on size and material. A full house of 10 windows typically costs £3,000–£8,000. uPVC is the most affordable option.
Which frame material is best? +
uPVC offers the best value, aluminium gives a modern slim-line look, and timber suits heritage properties. See our materials comparison.
Will double glazing reduce my energy bills? +
Yes — replacing single glazing can save £100–£200 per year on heating. Read our energy efficient windows guide for details.