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Juliet Balcony Calculator

Calculate Juliet balcony glazing and balustrade costs for French doors with glass, steel or aluminium barriers.

Glass gives best views

French door width

Min 1100mm required

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

Last updated: March 2026

All calculations are estimates. Verify with your supplier.