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Doggy Door Installation in Glass Sliding Doors: Cost, Options and Installation Guide

a dog behind a door

If you’ve made up your mind to install a doggy door in your glass window or sliding door, you’re in the right place. This guide will help you understand exactly what to expect in terms of cost, options, installation, and safety.

Whether you have a sliding glass door, fixed glass panel, or window, we’ll explain everything you need to know before placing your order.

Low Energy Glass

Why Install a Doggy Door in Glass?

A glass dog door allows your pet to come and go freely while keeping your home secure and weatherproof. Increasingly, more homeowners in Melbourne, Sydney, and Brisbane are opting for glass dog door installations, as they offer a combination of convenience, safety, and modern design.

Key Benefits

  • Keeps your home looking sleek with clear or tinted glass options
  • Saves you time and hassle by letting pets go outside independently
  • Enhances comfort for pets while maintaining energy efficiency
  • Adds value and convenience for modern pet-friendly homes

How Much Does a Doggy Door in Glass Cost?

The cost of installing a doggy door in glass depends on several factors, including:

  • The size and thickness of your glass door or window
  • Whether you supply your own doggy door or purchase one from the installer
  • Whether you prefer DIY installation or a professional glazier

Below is a breakdown of estimated costs based on common installation packages. These prices apply to standard 6mm clear toughened glass, with installation by a qualified tradesperson in Melbourne.

Doggy Door Installation Price Guide

Installation TypeIncludesPrice Range (AUD)*
Complete PackageGlass with hole cut out, pet door supplied and installed$550 – $850
Glass + Install (You Supply Pet Door)Glass with hole cut out supplied and installed$590 – $750
Glass Only (Installed)Glass supplied and installed; you purchase and fit the pet door$500 – $700
Glass Only (Supply Only)Glass with hole cut out supplied; you install glass and pet door$350 – $550

*Note: Prices vary depending on door size, location, and additional features such as tinted or patterned glass.

What Affects the Cost of a Doggy Door in Glass?

Every home and door type is different, which means pricing can vary. Here are the main cost factors to consider:

1. Door Size

  • Larger sliding doors require more glass and can cost slightly more due to additional labour.
  • Standard doors typically range from 700mm to 1200mm in width and up to 2000mm in height.

2. Glass Type

  • Most installations use 6mm clear toughened safety glass, which complies with Australian Standard AS1288.
  • Tinted, frosted, or energy-efficient glass will cost more.

3. Pet Door Type and Size

  • Pet doors come in different sizes (small, medium, large).
  • Larger pet doors require a bigger cut-out, which slightly increases the price.
  • High-quality models, such as Pet-Tek, are slimline and durable.

4. Installation Method

  • DIY installation is possible but not recommended unless you’re experienced with glass handling.
  • Professional installation ensures the glass is cut and re-toughened properly to maintain safety and warranty.
Glass Installation

Can You Install a Doggy Door in an Existing Glass Door?

Yes, you can. However, the existing glass panel cannot be cut once it’s been toughened. The installer will need to replace the entire panel with a new one that has a precision-cut hole for the pet door.

Professional Process:

  1. Measure the dimensions of your current door and pet door.
  2. Supply or choose a compatible Pet-Tek dog door.
  3. The glazier orders a new piece of toughened glass with a custom cut-out.
  4. The new glass is installed safely, and the pet door is fitted securely.

This method ensures the glass remains strong, shatter-safe, and compliant with Australian standards.

Is Toughened Glass Safe for Doggy Doors?

Absolutely. After the cut-out is made, the glass goes through a toughening process, making it 4–5 times stronger than standard glass.

If the glass ever breaks (say, due to rough play or impact), it shatters into small, blunt cubes rather than dangerous shards. This makes it far safer for pets, children, and adults alike.

Why Safety Glass Matters:

  • Prevents sharp edges and serious injuries
  • Meets Grade A Safety Glass requirements under Australian Standard AS1288
  • Provides peace of mind for busy households with pets and kids

Recommended Pet Doors for Glass Sliding Doors

At Haines Glass, we utilise Pet-Tek pet doors, manufactured in New Zealand. These are slimline and designed specifically for glass installations.

Pet-Tek Door Features:

  • Slim profile that fits both sliding and fixed panels
  • Smooth opening with magnetic closures
  • Secure screw-together design for durability
  • Suitable for small to large dogs and cats
  • Made from UV-resistant polycarbonate for longevity

These doors are ideal for glass sliding doors, balcony panels, and patio windows, ensuring that your door slides freely without catching on the frame.

Installation Process for Doggy Doors in Glass

Here’s what to expect when you book a professional installation

1. Free Measure and Quote

    The glazier visits your home to confirm the size of your door and recommend the right pet door model.

    2. Glass Manufacturing

    A new glass panel is manufactured with a pre-cut hole and then toughened for added safety.

    3. Installation Day

    The installer removes the old panel, fits the new one, and installs the pet door. The entire process typically takes a few hours to complete.

    4. Final Quality Check

    The door is tested to ensure smooth operation and compliance with safety standards.

    How to Order a Doggy Door Installation

    You can order a pet door installation directly from Haines Glass by calling (02) 4261 7295 or requesting a free online quote.

    We provide:

    • On-site measurement and consultation
    • Custom-made toughened glass with cut-outs
    • Supply and installation of Pet-Tek doggy doors
    • Fast turnaround and professional service

    Tips for Choosing the Right Doggy Door

    Before placing your order, here are some quick tips:

    • Measure your pet’s height and width for the correct door size.
    • Consider where the door will open (fixed or sliding panel).
    • Choose clear glass for visibility or tinted glass for privacy.
    • For multiple pets, opt for a larger size to suit all.
    • Always confirm compatibility between your pet door model and the type of glass it will be installed on.

    Frequently Asked Questions

    Can I install a doggy door in a glass door myself?

    Technically, yes, but it requires professional-grade equipment. Only glaziers can safely cut and toughen glass to meet Australian standards. DIY installation is not recommended.

    How long does installation take?

    Once the glass is manufactured (which can take 5–7 business days), the installation itself takes only a few hours.

    Can a doggy door be installed in double-glazed glass?

    Yes, but it’s more complex and usually involves replacing one or both panes. Always consult a glazier for a tailored quote.

    What if I have tinted or frosted glass?

    You can still install a doggy door. The cost will vary slightly depending on the type of glass you select.

    Do you also offer cat door installation?

    Yes. Cat doors can be installed in glass sliding doors, windows, or fixed panels, following the same safe-glass process.

    Final Thoughts

    A professionally installed doggy door makes life easier for both you and your pet. With the right glass, a trusted installer, and a durable pet door, you can enjoy a stylish and practical upgrade that blends perfectly into your home.

    Ready to install your doggy door in glass?

    Get a free quote today from Haines Glass, experts in glass pet door installation.

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      Excellent company. Prompt, professional and great value for money. I highly recommend this company for any window repairs.

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