Juliet Balcony Calculator
Calculate Juliet balcony glazing and balustrade costs for French doors with glass, steel or aluminium barriers.
French door width
Min 1100mm required (Part K1 / BS 6180 for external balconies)
Number of balconies
How We Calculate This
Calculates Juliet balcony costs based on type, width and quantity.
The formula
Total = (Base Cost per m × Width × Qty) + Installation
- Costs vary by balustrade type
- Minimum 1100mm height per Part K
- Glass must be toughened laminated
Frequently Asked Questions
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Last updated: March 2026
All calculations are estimates. Verify with your supplier.