Give your dog the freedom to come and go with a professionally installed dog door from Sharp Glass. Whether you’re looking to add a dog flap to a glass door, double-glazed unit, or safety glass panel, we provide a seamless, secure solution tailored to your pet and home.
From standard dog flaps to larger, heavy-duty options, our qualified team ensures a perfect fit—keeping your home insulated, secure, and stress-free. Already have a dog door? We’re happy to handle the installation for you.
Get in touch for a free, no-obligation quote. Call us on 03 366 3448 or click below to book a measure.
We use durable, weather-resistant dog doors designed to withstand New Zealand’s ever-changing conditions.
Our team is certified and trained in glass modifications and dog door installations, ensuring safe, clean workmanship.
We’re not happy until your dog’s using their new door — and you’re thrilled with the result.
A dog door is more than a convenience — it gives your pup the freedom to head outside for a toilet break, play, or a bit of sunbathing, without needing to bark for attention. It also gives you peace of mind during long days or busy routines.
Modern dog flap installations are designed with durability and insulation in mind, helping you maintain energy efficiency and home security while keeping your pet happy.
Whether you have a small breed or a big adventurer, we can install a dog door that suits their size and habits.
Every home and pet is different. Here are a few things to think about before you book your dog door installation:
We work with a wide range of dog doors, including:
Already purchased a dog door? No worries—our team can install it for you safely and professionally.
Whether you’re unsure what size to go for, need help selecting the best model, or want to know if your current glass door is suitable — we’re here to help. Contact the Sharp Glass team for expert advice, and get a free, no-obligation quote.
Yes — we specialise in dog door installations into toughened or double-glazed glass. In most cases, we replace your existing glass with a custom safety glass unit fitted with a dog door for a clean, secure result.
Pricing varies depending on your glass type, door model, and installation complexity. We offer free, no-obligation quotes so you know exactly what to expect.
Absolutely. If you’ve already bought a dog door, we’re happy to install it into your glass panel or door professionally.
Choosing the right size dog door is essential to ensure your pet can pass through comfortably and safely. A door that’s too small may discourage use or cause injury, while one that’s too large can compromise insulation and security.
As a general guide:
The best way to measure is from your dog’s chest width and shoulder height to the floor. The flap should be installed low enough to step through easily but high enough to avoid dragging or tripping.
If you’re unsure, we’re happy to help. The team at Sharp Glass can recommend the ideal size and model based on your dog’s breed and your door setup — and if you’ve already got a door in mind, we’ll make sure it’s the right fit before installation.
We use high-quality, weather-resistant dog doors and fit them into custom glass units that help maintain your home’s insulation and security. Lockable options are also available for added peace of mind.
Most dog door installations are completed within a few hours. If custom glass is needed, we’ll return for fitting once the unit is manufactured—typically within a few working days.
Yes — we can custom-fit dog doors into sliding glass doors and ranch sliders using replacement safety glass units tailored to your setup.
Yes — we can install a range of dog doors with built-in locks or access controls. These let you manage when your pet can go outside, or restrict access at night or while you’re away.