Comprehensive UK pricing guide for bifold doors, windows, and double glazing with real costs, comparison tables, and money-saving tips for homeowners.
## Key Takeaways
Bifold doors cost UK: Expect to pay £1,800–£5,000 for uPVC bifold doors, £2,500–£7,000 for aluminium, and £3,000–£10,000+ for premium timber options
Window replacement: Standard uPVC double-glazed windows average £350–£600 per window including installation, with bay windows costing £1,500–£3,500
Sash window repair vs replacement: Repairs typically cost £150–£400 per window, whilst full replacement ranges from £800–£1,500 per window
Regional variations: London prices run 15-25% higher than national averages, with installation costs particularly inflated in the capital
Triple glazing premium: Adds 20-30% to double glazing costs but may not deliver worthwhile returns in milder UK climates
Replacing windows and doors represents one of the most significant home improvement investments you'll make. The bifold doors cost UK homeowners face has risen considerably since 2020, with materials and labour pushing average prices up by 18-22% according to the Federation of Master Builders. Understanding these costs helps you budget realistically and identify where to spend—and where to save.
Read our complete guide to doors buying guide UK for comprehensive advice on choosing the right doors for your home.
## Bifold Doors: What You'll Actually Pay
Bifold doors have become the default choice for garden room extensions and kitchen-diner projects across the UK. The bifold doors cost UK homeowners encounter varies dramatically based on material, size, and glazing specifica
