Double Glazing Cost UK 2024: What You'll Really Pay for Windows

## What Does Double Glazing Cost in the UK? The double glazing cost UK homeowners face varies dramatically based on window style, materials, and property size. Expect to pay between £300–£800 per window for standard uPVC casement windows, whilst premium aluminium or timber options can reach £1,200–£2,000 per window. For a typical three-bedroom semi-detached house, a complete double glazing installation usually costs £4,000–£8,000, though prices in London and the South East can run 15-20% higher than the national average. We've analysed pricing data from windows & doors specialists across our directory to provide realistic figures you can budget with. These prices reflect what UK homeowners actually pay in 2024, not the lowball quotes that disappear once surveyors identify complications. ## Key Takeaways Standard uPVC double glazing costs £300–£800 per window, whilst aluminium ranges from £600–£2,000 depending on size and finish A full three-bedroom house replacement typically costs £4,000–£8,000, with London prices 15-20% above the national average Energy-efficient A-rated windows qualify for reduced VAT at 5% on labour (materials remain at 20%) when installed in homes over 2 years old Triple glazing adds 20-30% to costs but may not deliver worthwhile energy savings in most UK climates Sash window repair costs £200–£600 per window versus £800–£1,500 for full replacement—restoration often makes financial sense for period properties ## How Much Does Double Glazing Cost for