Pricing Guide

Glass Juliet Balcony Costs & Pricing Guide

How much does a glass Juliet balcony cost? A practical UK guide to what affects the price, with an online cost estimator by style and opening width.

Juliet Balcony Pricing: UK Guide

How Much Does a Glass Juliet Balcony Cost?

A glass Juliet balcony is a fixed safety barrier fitted flush to the building face across a door opening. It does not project outwards and provides no standing space; its job is to allow bifold, French, or sliding doors to open fully at height while preventing falls.

Cost is primarily driven by two things: the style of system and the width of the opening. A single-panel frameless Juliet balcony across a narrow French door opening is a very different job to a four-panel button-fixed system spanning a wide set of bifold doors. Glass thickness, fixing method, access conditions, and upper-floor considerations also affect the final price.

Use the cost estimator below for an indicative guide price, then get in touch for a precise quotation. For full details on our Juliet balcony systems, see our Juliet balcony service page.

Not sure what your budget gets? Use our Project Budget Guide to see what Juliet balcony and other glass projects may be possible within your budget.

Cost Estimator

Estimate Your Juliet Balcony Cost

Select your preferred style and enter your opening width for an indicative guide price. All figures include supply and installation and are inclusive of VAT.

1. Select style

Frameless (Button-Fixed)

Aluminium Rail (Elegance)

Balconnette System

Framed Stainless Steel

2. Opening width

Width of opening (mm):

Measure the full width of the door opening from reveal to reveal. Standard single-door openings are typically 900–1200mm. Bifold door openings are typically 1800–3600mm.

3. Options (optional)

Powder coat metalwork to RAL colour

Indicative guide price

From £900

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incl. VAT • supply & installation • subject to final survey and specification

This is a guide price only, not a guaranteed quotation. Prices can vary based on access conditions, fixing substrate, glass thickness required by building control, and site-specific factors confirmed at survey. Contact us for an accurate quotation.

What Affects the Cost of a Glass Juliet Balcony?

Opening Width

The biggest single cost factor. A narrow French door opening (900–1200mm) may only need one glass panel. A wide bifold door opening (2400–4500mm) needs multiple panels to span the full width: more glass, more fixings, more installation time.

System Style

Frameless button-fixed systems cost more than framed or rail systems. The glass specification required for point-fixed frameless systems (typically 17.5mm or 21.5mm laminated) is heavier and more expensive than the glass used in framed or rail systems.

Glass Specification

Juliet balconies are classified as external guarding under BS6180 and must meet the barrier loading requirement. Wider openings and frameless systems require thicker laminated glass: 17.5mm for most installations, 21.5mm for spans over 2.4m or where building control requires it.

Fixing Method & Substrate

Button-fixed and framed systems fix to the structural fabric of the building (typically masonry or timber frame) above and below the door reveal. Fixing into brick or block is straightforward. Timber frame, render, or composite cladding may require additional consideration at survey.

Upper Floor Access

Ground floor or easily accessible first-floor work is straightforward. High-level installations (second floor or above) may require scaffolding or specialist access equipment. We assess access at survey and include any access costs in the quotation.

Powder Coating & Finish

Standard finishes are satin stainless steel, brushed aluminium, or mill finish. Powder coating metalwork to a RAL colour (to match window frames, render, or other elements) is available at an additional cost, typically £60–£120 for a Juliet balcony depending on size.

Juliet Balcony Styles: What Are the Options?

Frameless: Button / Standoff Fixed

The cleanest look. Laminated glass panels are drilled and fixed using stainless steel standoff buttons: no frame, no rail, just glass. Glass thickness is automatically specified by opening width: 17.5mm up to 1800mm, 21.5mm above. Maximum opening width: 3000mm. For wider openings, a Balconnette system is required.

Guide price: from £900 (single door). Wide openings to 3000mm: £1,350–£1,750+.

Aluminium Rail (Elegance)

Slim vertical aluminium rails with laminated glass infill, the Elegance range. The rail profile is narrow and unobtrusive; when viewed face-on the system is mostly glass. Popular on new-build properties and can be powder coated to any RAL colour to match window frames or render. Handles openings up to 5000mm.

Guide price: from £700 (single door). Wide openings: £1,050–£1,750+.

Balconnette System

A system-engineered Balconnette Juliet balcony, the recommended solution for openings over 3000mm and for wide bifold or multi-door configurations. Horizontal rails and laminated glass infill in a complete engineered kit. Available in a range of finishes and can be powder coated. Handles any opening width.

Guide price: from £750 (single door). Wide multi-panel openings: £1,100–£1,900+.

Framed Stainless Steel

A structural stainless steel frame with 10mm toughened glass infill; the glass spec is fixed for this system type. Robust and durable; well suited to exposed elevations or where a more traditional barrier appearance is preferred. Available in satin or polished stainless steel. Maximum opening width: 2400mm.

Guide price: from £650 (single door). Up to 2400mm: £650–£950+.

How the Process Works

We can provide a tight indicative price range from a few photos and the door opening width. No site visit needed at that stage.

Send us a photo of the door opening and your measured width. Use the estimator above for a rough figure.
We'll come back with a precise quotation, usually the same day. No visit required at this stage.
If you're happy with the quote, we'll arrange a free site survey to confirm fixing points, glass spec, and access.
A deposit of 30–50% is taken on acceptance of the survey-confirmed quotation. Glass is manufactured to order, typically 2–3 weeks lead time.
Installation is typically completed in one day. The balance is due on completion.

Pricing Guides for Other Services

Glass Balustrade Costs Framed, frameless channel, and spigot system pricing. Glass Staircase Costs Renovation price ranges from spindle swap to full oak fit-out. Glass Partition Costs Office, meeting room, and residential partition pricing.

Frequently Asked Questions: Juliet Balcony Costs

Yes. All guide prices on this page are inclusive of VAT. Our written quotations show the net amount and VAT separately.

Send us a photo of the door opening and the measured width. We'll give you a guide range the same day. For an exact price we'll carry out a free site survey to confirm fixing points, glass thickness, and access requirements before anything is manufactured.

Wider openings require more glass panels. A wider span also places greater lateral load on the system, which typically means a thicker glass specification is required, particularly for frameless button-fixed systems. Each additional panel adds glass, fixings, and installation time.

Juliet balconies often fall within permitted development rights, but this depends on your property type, location, and whether it is in a conservation area or listed. We recommend checking with your local planning authority before proceeding. We can advise based on your specific situation.

Yes. We typically require a 30–50% deposit on acceptance of the quotation to cover glass manufacture. Glass is made to your exact dimensions; lead time is typically 2–3 weeks from deposit. The balance is due on completion.

Get a Juliet Balcony Quote

Send us a photo and your door opening width. We'll come back with a precise quotation the same day. No site visit required until you've accepted the quote.

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