Precision-crafted timber windows combining traditional craftsmanship with modern thermal performance.
The Right Window for Every Project
From modern Aluclad casements to traditional timber sash windows, Zyle Fenster offers a carefully considered range of bespoke windows designed to suit the architectural style, thermal requirements, and design vision of every project – with no compromise on quality.
Glazing Solutions Tailored to Your Building
Bespoke windows are not simply a matter of size. Every project brings its own set of demands – from the home’s architecture and planning requirements to acoustic performance and energy efficiency targets. Our custom windows are manufactured to a precise specification, ensuring a tailored fit that standard, off-the-shelf products simply cannot match.
Whether you are specifying windows for a new build, a heritage restoration, or a contemporary self-build, our team provides expert advice at every stage. We work with architects, contractors, and private clients to ensure the right choice is made from the outset – saving time, reducing risk, and delivering lasting performance.
Premium Materials, Long-Term Performance
Our window range combines engineered timber frames with durable aluminium cladding, offering the warmth and character of natural wood internally with the low-maintenance resilience of aluminium on the exterior. Available with double glazing or high-performance triple glazing, each system is designed with thermal efficiency, acoustic attenuation, and security performance in mind.
With options spanning flush casement, tilt and turn, pivot, Passivhaus, and traditional timber sash, we offer design flexibility across the full spectrum of architectural styles – from clean-lined contemporary homes to period properties requiring sympathetic, thermally upgraded glazing. Every window we supply is a worthwhile investment in your building’s performance and character for the long run.
Frequently Asked Questions
Have a question about our bespoke windows? Here you'll find answers to some of the most common queries from architects, self-builders, and contractors.
Contact UsCustom windows are manufactured to your exact opening dimensions and specification, ensuring a perfect fit, superior thermal performance, and a finished result that complements your home's style and architectural intent.
Triple-glazed Aluclad windows offer the highest thermal performance in our range, with U-values as low as 0.79 W/m²K. They are the best choice for new-build, low-energy, and Passivhaus projects.
Yes. Our timber sash window range is designed specifically for period properties and conservation areas, offering authentic aesthetics with up-to-date thermal performance and modern draught sealing.
Our technical team is available to guide you through product selection, specification and sizing. Contact us directly for a consultation – we provide expert advice and a detailed quote tailored to your project.
Our Projects
Clifden, Ireland
Find out more about Clifden, IrelandDublin, Ireland
Find out more about Dublin, IrelandWorlds End, Ireland
Find out more about Worlds End, IrelandBallyorban, Ireland
Find out more about Ballyorban, Ireland
We purchased a combination of Alu-Clad windows, Lift & Slide doors and entrance glazing from Zyle Fenster for our family home.
Every member of the team was knowledgeable, approachable and highly professional. Manufacturing quality is outstanding and the installation was carried out with real attention to detail. Even after completion, they followed up to ensure everything was perfect.
It’s rare to find a company that delivers exactly what they promise. We would happily recommend Zyle Fenster to anyone building or renovating a home.
Seán & Emma R. – County Meath
Our architect specified Reynaers aluminium systems and recommended Zyle Fenster for the supply and installation.
The large glazing panels have completely changed the feel of the house while maintaining excellent thermal comfort throughout the winter. The installers were meticulous and every junction was finished beautifully.
It’s refreshing to work with a company that genuinely cares about delivering a quality result.
Niamh F. – County Clare
We chose Schüco aluminium windows and doors through Zyle Fenster for our contemporary home.
Everything about the experience was professional. From technical advice through to installation, the team demonstrated real expertise. The slim profiles look fantastic and the quality of the finish is exactly what we hoped for.
A premium product installed by a premium company.
David L. – County Waterford
Our conservation project required slim glazing without compromising performance, and Zyle Fenster recommended their vacuum glazed timber sash windows.
The result is outstanding. The traditional appearance has been preserved while the improvement in warmth and noise reduction is remarkable. You simply wouldn’t know they contain such advanced technology.
Excellent communication, excellent installation and an exceptional product.
Michael & Sarah K. – County Kilkenny
Finding authentic timber sash windows that also met modern energy standards wasn’t easy until we found Zyle Fenster.
The finished windows perfectly suit our Victorian home while dramatically improving comfort. They operate beautifully and the attention to detail is outstanding.
The installation team treated our home with great respect and left everything spotless each evening. We have received countless compliments from neighbours.
Margaret C. – Dublin
We wanted a large glazed feature overlooking the garden while still achieving excellent thermal performance. The timber curtain wall supplied by Zyle Fenster exceeded every expectation.
The craftsmanship is remarkable and the amount of natural light it brings into the house is incredible. Our architect was particularly impressed with the technical knowledge and attention to detail shown throughout the design process.
Professional, reliable and extremely high-quality workmanship.
Patrick D. – County Wicklow
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Talk to Our Team
Whether you are an architect specifying for a new project, a self-builder planning your custom home, or a developer working to a programme, our team is here to help. Get in touch for technical advice, product information, or to request a quote.
- Unit 12L
- Six Cross Roads Business Park
- Kilbarry, Waterford
- X91 Y985
