Which is better — patio doors or bi-fold doors?
Patio doors offer better thermal insulation and are quieter. Bi-folds open fully. Patio doors are better value for standard 2–3m openings; bi-folds suit wider spans.
How Much Do Patio & French Doors Cost in 2026?
Patio and French doors open up your living space to the garden and flood rooms with natural light. In 2026, prices range from £1,200 for basic uPVC French doors to £5,000+ for large aluminium sliding doors.
Typical UK range:£1,200 – £5,000
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French Doors£1,200 – £2,000
Double-opening uPVC or composite French doors. Classic look, wide opening.
Sliding Patio Doors£2,000 – £3,500
2-panel aluminium or uPVC sliding door. Slim frames, large glass area.
Large Format Sliding£3,500 – £5,000+
3+ panel aluminium sliding system, triple track, ultra-slim sightlines.
Factors That Affect the Cost
- Door type (French, sliding, inline)
- Frame material (uPVC, aluminium, timber)
- Number of panels and opening width
- Glass specification
- Threshold accessibility
Regional Price Variations
Installation costs are 10–15% higher in London. Material prices are broadly consistent nationwide.
Frequently Asked Questions
Can I replace French doors with sliding doors?
Yes, in most cases. The opening width is usually similar. A builder may need to adjust the lintel if you are widening the opening.
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