Energy Efficient Casement Windows by SolarFrame • SolarFrame

Casement Windows

Casement windows are a timeless classic and remain the no.1 choice for homeowners in the UK. With the various combinations for fixed
and opening sashes, the are the truly versatile choice.

Our revolutionary energy efficient range means thermal efficiency is at the top of the agenda, with our casement windows capable of achieving U-values
as low as 0.8W/M2K. Whatever style is chosen for our Casement window, you can be assured of enhanced security when you choose from range our
high-performance hardware from handles to locking mechanisms, hinges and more.

Maximum Light

Gone are the days of chunky uPVC frames, our Casement Windows enhance any property with ultra-slim sightlines and modern aesthetics.

Traditional or Contemporary

Simple and versatile, they suit any property. Add Georgian bars for a traditional aesthetic or a smooth grey foil for a modern spin.

Safe and Secure

Rest assured your family and home are safe and secure. Our windows are fitted with multi-point locking as standard and fully tested.

Key Features


Why Choose Solarframe Windows

SolarFrame helps Yorkshire homes become energy efficient with 21st century double glazing technology.

With a wide variety of colours and configurations for your replacement windows, there is a finish to suit not only period and traditional properties but modern ones too. 

We can also help you spread the cost of your transformation with flexible finance options, meaning your next home improvement can be completely stress free. 

How about timber replica windows?

Our flush sash windows are designed to mimic the traditional look of timber, but can look equally ultra-modern.

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Find out more and discover the rest of our range

Personalise your Casement Windows

Available in ovolo (curved) or chamfered (bevelled) 70mm profiles (frames) your casement windows can be fully personalised to suit any home. Choose from 28mm double or 36mm triple glazing together with a wide choice of colours, finishes, hardware and glazing options.

Chamfered Window Profile
Chamfered (Bevelled)
Ovolo Window Profile
Ovolo (Curved)

Here are our most popular colour choices, choose from foiled both sides or dual colour. Ask your sales rep for a swatch booklet to see the full range.

Handle and Hardware Options

Truly personalise your casement windows with our handle options. For a traditional appearance, ask us about our monkeytail or teardrop handles.

White Foil Swatch
Golden Oak Foil Swatch
Golden Oak
Cream Foil Swatch
Irish Oak Foil Swatch
Irish Oak
Chartwell Green Foil Swatch
Chartwell Green
Rosewood Foil Swatch
7106 Anthracite Grey Foil Swatch
Anthracite Grey
Black Foil Swatch
Isolated White Window Handle
Isolated Chrome Window Handle
Isolated Black Window Handle
Isolated Flint Window Handle
Isolated Satin Chrome Window Handle
Satin Silver
Isolated Gold Window Handle
Polished Gold

Your casement windows come with energy efficient double glazing as standard, but we also have additional options for extra thermal efficiency and decoration!

Triple Glazing uPVC Window Cross Section
Triple Glazing

Triple glazing provides additional thermal benefits and also another level of sound insulation.

Close Up of Obscure Glazing
Obscure Glass

Choose from a wide range of patterned obscure glass to give you privacy in any room.

Close Up of uPVC Window with Lead Pattern and Coloured Decorative Glazing
Patterns and Colours

We can create everything from simple diamond or square leads, to coloured decorative patterns.

uPVC Window with Georgian Bars
Georgian or Astragal Bars

Emulate a classic look, astragal and Georgian bars can create the look of stylish period-era windows.

Colours and style options are for illustrative purposes only. Please ask your salesperson for samples.

Come and see for yourself

Our outdoor showsite is the largest in Yorkshire with a number of full size conservatories and garden studios available to browse. We also have an indoor showroom with a stunning range of windows and doors.

Inspiration Gallery

Check out some of our favourite casement window installations.

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Why Choose Solarframe

Our team are based in the heart of South Yorkshire in our own state-of-the-art factory.

Bespoke Design

Our experts are on hand to listen to your requirements. We will help you to create the perfect space for you and your family.


Our team ensure every little detail is completed to the highest standards. Installers to electricians to plasterers, we look after you from start to finish.

Reduced Energy Bills

All of your products are manufactured to exacting industry standards. We use the highest quality components, all sourced from the UK.

Leaving so soon?

Why not download our brochure before you leave!
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