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Round Windows for Timeless Architectural Detail

A round window adds character and light to spaces where ordinary square frames won’t do. Whether used as a subtle accent or a central architectural feature, these windows are ideal for homes with historical charm, Scandinavian minimalism, or bold contemporary lines.

At IdealCombi, each window round is precision built in Denmark using premium materials and our idealcore™ technology combining energy efficiency with refined aesthetics.

The round windows are based on Frame IC & Nation IC fixed windows and are available with glazing bars and double or triple glazing. Available as a full circle window or a semi-circle windows.

round window

circular window with styling bars

semi circle window

Round Windows for Timeless Architectural Detail

A round window adds character and light to spaces where ordinary square frames won’t do. Whether used as a subtle accent or a central architectural feature, these windows are ideal for homes with historical charm, Scandinavian minimalism, or bold contemporary lines.

At IdealCombi, each window round is precision built in Denmark using premium materials and our idealcore™ technology combining energy efficiency with refined aesthetics.

The round windows are based on Frame IC & Nation IC fixed windows and are available with glazing bars and double or triple glazing. Available as a full circle window or a semi-circle windows.

Why Opt For Round Windows?

1. Custom Design & Sizing

We don’t offer one size fits all solutions. Every round window is made to order, ensuring a seamless fit and the freedom to complement your project’s architectural style be it a heritage renovation or a modern new build.

2. Thermal Efficiency

Our round double glazed windows deliver impressive insulation, reducing heat loss while letting in soft, diffused natural light. Optional triple glazing is available for even greater thermal performance.

3. Durable, Low Maintenance Materials

With a timber/aluminium composite construction, Our windows resist weathering and wear while maintaining the warm interior look of natural wood.

Where To Use Round Windows?

  • Gable ends for symmetrical balance

  • Stairwells for vertical light shafts

  • Bathrooms for privacy with style

  • Entryways as decorative accents

  • Loft conversions for architectural variety

For that extra uniqueness – add the features you have always been dreaming of.

A round window breaks the sharp angles and add a splash of organic to the building design.

Placed high they can be a great light source – and placed low they can frame that perfect view.

Projects Featuring Round Windows

The Courtyard Bristol
The Courtyard Bristol

Round Windows FAQs

what are other names for Round Windows?

Round windows are often referred to as circular windows, oculus windows, or bullseye windows. In architectural terms, they may also be called porthole windows, especially when used in bathrooms or nautical style designs. At IdealCombi, we offer custom made round windows tailored to your project's specific design needs. Speak to one of our team or call 01582860940.

How much does a round window cost?

The cost of a round window depends on factors like size, glazing type (double or triple), material choice, and whether the unit is fixed or operable. While prices can vary widely, custom round windows typically start at a higher price point than standard shapes due to the bespoke nature of the design. For an accurate estimate, it's best to request a quote based on your specific requirements or speak to our team.

Are round windows expensive?

Yes, round windows tend to be more expensive than standard rectangular windows. This is primarily due to the custom engineering involved in shaping the frame and glazing, as well as the specialized installation often required. However, the added visual impact and design value can make them a worthwhile investment for high end or architectural builds. To find out more speak to one of our team.