Premium Windows
& Doors for
Donnybrook Homes
South Dublin’s trusted window and door fitters — serving Donnybrook, Ballsbridge, Sandymount, and Dublin 4 with top-end products from European manufacturers. Honest advice, fair pricing, and craftsmanship you can count on.
10,000+ Customers
Trusted across Dublin
10-Year Warranty
On every installation
ISO 9001:2015
Certified quality standards
SEAI Grants Available
We'll guide you through it
35% Off
Limited time offer
Why Donnybrook Homeowners Choose Thermoglaze?
If you’re looking for windows and doors in Donnybrook or anywhere in Dublin 4, we should talk. This is an area where quality matters — both in the products you choose and in the people who fit them. We’ve been doing this long enough to know the difference between a job that’s done right and one that just looks right on day one.
Donnybrook has a mix of everything: grand period homes that need sensitive treatment, 1950s and 1960s houses ready for a full window replacement, and contemporary new builds and extensions that call for large-format glazing and slim aluminium frames. We handle all of it.
OUR PRODUCTS
Windows & doors for every Donnybrook property
Windows & Doors for Every Donnybrook Property From the large detached homes along Ailesbury Road and Shrewsbury Road to the terraced houses of Donnybrook village and the modern apartments along the Dodder — we fit windows and doors for every type of property in this part of Dublin.
uPVC Windows
Low-maintenance, high-performance frames that keep heat in and noise out. A straight swap for old timber or early uPVC windows.
View rangeAluminium Windows
Slim frames, big glass areas, and a clean modern look. Ideal for extensions, new builds, and contemporary renovations.
View rangeAlu-Clad Windows
Timber on the inside for warmth, aluminium on the outside for weather protection. No painting, no sanding - just years of trouble-free performance.
View rangeComposite Front Doors
Good-looking, tough, and secure. Dozens of colours and panel styles to choose from. They don’t warp, fade, or rot.
View rangeBi-Fold & Patio Doors
Open up the back of your house to the garden. Wide openings, floor-to-ceiling glass, and proper weather seals when they’re closed.
View rangeFrench & Lift-Slide Doors
Classic double doors or smooth-sliding glass panels. Both options give you full-height views and solid insulation.
View rangeHow New Windows and Doors Save You Money in Donnybrook
In an area like Donnybrook, your windows and doors are as much about kerb appeal as they are about energy performance. A poorly chosen window can make a beautiful house look wrong. We spend time getting the details right — the colour, the profile, the handle finish — because we know it matters to homeowners here.
On the performance side, our A-rated windows cut heat loss dramatically. If your home has original single-glazed windows or early double glazing from the 1990s, you’re losing heat and money every day. Upgrading to triple-glazed units will make every room more comfortable and bring your energy costs down.
On the performance side, our A-rated windows cut heat loss dramatically. If your home has original single-glazed windows or early double glazing from the 1990s, you’re losing heat and money every day. Upgrading to triple-glazed units will make every room more comfortable and bring your energy costs down.
Front Doors, Patio Doors and More for Donnybrook Homes
A front door on a Donnybrook home should look as good as the house around it. Our composite doors come in styles that range from classic Georgian panel designs to sleek, contemporary options with full-length glass panels. Every door is warp-proof, fade-proof, and fitted with multi-point locking.
For garden access, our lift-and-slide and bi-fold door systems are the most popular choice in this area. They give you a wall of glass that opens fully, creating a connection between your living space and garden that changes how you use your home. If you’re working with an architect on an extension, we can supply doors to exact specifications.
Why Thermoglaze Donnybrook
Local knowledge.
European quality.
Donnybrook and Dublin 4 are home to some of the finest residential properties in the country. Homeowners here expect quality — not just in the products, but in how the work is done. That’s exactly what we deliver.
That’s We carry Internorm, Dako, and Silka systems alongside our standard ranges. These are the same European manufacturers that architects specify on high-end projects, and they’re available to any homeowner through our Rathgar showroom. Whether you’re replacing the windows on a period home or glazing a contemporary extension, we have the right product and the experience to fit it properly.
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Our Rathgar showroom is 10 minutes away
Visit us at 68 Rathgar Avenue, Dublin 6, D06 KN53, just a short drive or bus ride from Donnybrook. Book an appointment to explore our full range, including premium Internorm and DAKO window and door systems.
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We work with architects on bespoke projects
If your architect has specified particular U-values, frame profiles, or glazing sizes, we can supply and install products to the exact specification. We regularly work alongside architectural practices across Dublin on high-end residential projects.
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Pay monthly with humm finance
High-end windows and doors are an investment in your property. With humm finance, you can spread the cost into affordable monthly payments and start your project without unnecessary delays.
across Dublin
every installation
on all products
stocks last
How It Works
From First Call to Finished Fit
Three steps. One local team. No hidden costs — and we're a phone call away whenever you need us.
Get a Free Quote
Ring us on 01 912 0600, fill in our online form, or walk into our Swords showroom.
Home Survey
We come out, measure everything properly, and go through the options with you face to face. No guesswork, no pressure.
Professional Fitting
Our own fitters do the work — no subcontractors. We leave the place clean and hand you a 10-year warranty.
You Could Qualify for Government Funding
The SEAI Better Energy Homes scheme pays a portion of the cost when you upgrade to A-rated windows and doors. We’ll tell you straight away whether your home is likely to qualify and help you pick the right products.
Service Area
Serving Donnybrook and Surrounding Areas
Our Rathgar showroom at 68 Rathgar Avenue is the nearest Thermoglaze location for Donnybrook and Dublin 4 homeowners. We fit across all of South Dublin.
Common Questions
Before you visit
Most answers are below - or call 01 912 0600 and we'll answer in minutes.