Best Selling Triple Glazed Windows from Norrsken

★★★★★ Recognising exceptional work

Explore our full windows range

Our Window Selector lets you explore every window in our range. Filter by glazing type, frame material, opening options, and Passive House suitability to find exactly what your project needs.

WINDOW SELECTOR

1 3

Inward or Outward Opening

The perfect window opens the right way for your climate, architecture, and how you live.

Most windows are either inward or outward opening. Whether you choose traditional outward opening designs - developed for harsh climates where wind pressure enhances sealing - or contemporary inward opening styles that offer easier cleaning and larger configurations, every option maintains our uncompromising standards for comfort and energy efficiency.

TOP HUNG

SIDE HUNG

FULLY REVERSIBLE

TILT-IN

TURN-IN

TILT & TURN

FIXED FRAME

Modern room with large triple-glazed windows offering a view of a field, featuring a cozy corner with a chair and blanket.

TOP HUNG

Perfect for high-level ventilation and privacy, top hung windows open outward from the bottom with built-in friction brakes.

Ideal for bathrooms and kitchens where you want fresh air with privacy, as cool air flows in below while warm air escapes above. The design maintains excellent thermal performance and energy efficiency through advanced sealing systems.

VIEW THE RANGE →

SIDE HUNG

Our versatile side hung windows open outward on side hinges, offering maximum opening area and excellent ventilation without taking up internal space.

The classic choice for most residential applications, providing excellent ventilation control and unobstructed views. Multi-point locking systems ensure security while maintaining the sleek aesthetics that complement both traditional and contemporary homes.

VIEW THE RANGE →

FULLY REVERSIBLE

Clean your windows safely from inside with fully reversible operation, rotating 180 degrees for complete access to both sides of the glazing.

Particularly valuable for upper floors and hard-to-reach locations, these windows rotate completely, eliminating the need for external cleaning access. They feature weatherproof sealing and varied ventilation options as users can control airflow from multiple angles.

VIEW THE RANGE →

TILT-IN

Tilt-in operation provides secure ventilation by opening inward from the top, creating a controlled airflow while maintaining security and safety.

Ideal for anywhere you want ventilation with security, a gentle inward tilt from the top edge of the window delivers fresh air while the restricted opening prevents accidental falls. The perfect combination of effective airflow, easy operation and energy efficiency.

VIEW THE RANGE →

Modern house interior with a view of a garden through a triple-glazed glass door.

TURN-IN

The inward opening complement to side hung windows, turn-in windows swing inward on side hinges for full access, ventilation, and easy cleaning.

Opening fully inward from side hinges, these energy-efficient windows provide complete access and maximum airflow with convenient cleaning from inside. Perfect for living spaces where you want the option of wide-open connections to the outdoors.

VIEW THE RANGE →

triple-glazed window with red floral curtains on a white wall

TILT & TURN

Combining two opening modes in one window, tilt & turn offers gentle top ventilation or full side opening for maximum versatility and control.

The ultimate in window functionality, offering both tilt-in ventilation for secure airflow and full turn-in opening for cleaning and maximum ventilation. Simply turn the handle to switch between modes, giving you complete control over your indoor environment.

VIEW THE RANGE →

Modern bathroom with a freestanding bathtub, wooden vanity, and large triple-glazed window.

FIXED FRAME

When the view is the star, fixed windows frame it perfectly while flooding your home with natural light and delivering exceptional energy efficiency.

With slim sightlines and minimal maintenance, fixed frame windows also deliver superior thermal performance. Any of our inward or outward opening window profiles can be configured as fixed frames, giving you complete flexibility to match your architectural vision.

VIEW THE RANGE →

Dining room with a wooden table and orange chairs, large triple-glazed window showing greenery.

Our Door Range

Create a lasting impression with bespoke, premium doors that deliver superior insulation, security, and timeless design appeal.

Our precision-engineered entrance and patio doors seamlessly blend form and function, offering exceptional weather protection and energy efficiency. Discover how the right door can enhance both your home's comfort and curb appeal.

Which windows are right for you?

Take our short survey to discover the perfect windows for your project.

Inspiration for your project

From heritage transformations to scandinavian-style passive houses, discover how Norrsken windows and doors transform exceptional homes into extraordinary spaces.

Whether it's converting industrial barns into a contemporary sanctuary or pushing the boundaries of sustainable design in passive houses, our projects span every architectural vision. See how our windows and doors brought your Norrsken neighbours' visions to life.

GALLERY

VIEW ALL PROJECTS

Your Questions Answered

Have a question? You're not alone. We've answered some of the most common questions about our best-selling windows below, drawing from years of expertise helping homeowners and professionals achieve their vision.

Can't find what you're looking for? Email the team.

Why are these windows the most popular in the Norrsken range?

These windows represent the most consistent balance of thermal performance, design flexibility, and proven long-term reliability across a wide range of project types.

They have been specified for new builds, passive house projects, extensions, and heritage renovations. Their sustained popularity reflects real-world performance outcomes and the confidence that comes from extensive installation experience.

Are the best-selling windows suitable for Passive House projects?

Yes. The most popular windows in the Norrsken range include triple-glazed alu-clad and timber configurations that achieve whole-window Uw values at or below 0.80 W/m²K, meeting the Passive House Institute's threshold. Full PHPP-compatible data is available for each Passive House suitable product in this selection.

What makes Norrsken windows a reliable choice for self-builders?

Self-builders benefit from specifying products with a strong track record across a variety of build types, because performance and installation data from real projects reduces specification risk.

Norrsken windows are supported by full technical documentation, verified U-values, and an installation service experienced in the detailing requirements of timber-frame, masonry, and structural insulated panel (SIP) construction.

Can I specify these windows in any colour and configuration?

Yes. All alu-clad windows in this selection are available in any RAL colour, with dual-colour finish (different colours internally and externally) as standard. Custom shapes and non-standard sizes are available through the bespoke specification process.

What glazing options are available on the best-selling range?

The best-selling windows are available with both triple and double glazing.

Triple glazing is the most commonly specified option for new builds and low-energy projects. Double glazing is available for renovation and heritage projects, or where planning conditions restrict frame depth.

How do I buy Norrsken windows?

The starting point is sharing your project drawings and requirements with the Norrsken team.

We can advise on which products best suit your build type, energy target, and aesthetic preferences, and provide a tailored specification and quotation. You can upload drawings via the Request a quote tool on the website, visit a showroom, or call the team directly.

Helpful Resources

5 Key Questions to Ask Your Window Supplier

April 20, 2026
If you're specifying or buying windows for a new build, retrofit, or extension, the product itself is only part of the picture. How the window is installed, how it interfaces...

5 Key Questions to Ask Your Window Supplier

April 20, 2026
If you're specifying or buying windows for a new build, retrofit, or extension, the product itself is only part of the picture. How the window is installed, how it interfaces...
When does triple glazing make sense?

April 13, 2026
When is triple glazing the best choice – and when might it not be? A use-case guide for retrofits, self-builds, Passivhaus and extensions.

When does triple glazing make sense?

April 13, 2026
When is triple glazing the best choice – and when might it not be? A use-case guide for retrofits, self-builds, Passivhaus and extensions.
The case for all-timber windows & doors

April 6, 2026
Timber windows can match aluminium-clad on thermal performance and cost less. Here's when to specify them, and when alu-clad is the best choice.

The case for all-timber windows & doors

April 6, 2026
Timber windows can match aluminium-clad on thermal performance and cost less. Here's when to specify them, and when alu-clad is the best choice.
Are alu-clad timber windows and doors worth it?

March 31, 2026
Guidance on when aluminium-clad timber composite windows make sense ⁠– and when they don't. Performance, cost, and longevity compared.

Are alu-clad timber windows and doors worth it?

March 31, 2026
Guidance on when aluminium-clad timber composite windows make sense ⁠– and when they don't. Performance, cost, and longevity compared.

1 31

Start your journey with Norrsken

Every project begins with a conversation.

Complete our simple form to provide a few details about your project and our team will contact you to explore your requirements and prepare your tailored quote.

We work with projects of all sizes, though we do have minimum order requirements that vary by location. We'll discuss this transparently during your consultation to ensure our service model suits your needs.

Alternatively you can email the team anytime at hello@norrsken.co.uk or call during office hours on 01202 632777.

Office opening hours:

Mon - Thurs - 9:00 a.m. to 5:00 p.m.
Fri - 9:00 a.m. to 3:00 p.m.
Sat - Closed
Sun - Closed