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Warm Up Your Home This Winter

The Finest Insulated Doors and Windows from SWR.

The chilly weather’s here and people’s concerns naturally turn to keeping the home cosy.

Of course, it isn’t just about the central heating but also what doors and windows you have fitted. That’s why you need home improvements with excellent insulation and energy saving properties.

Our doors and windows have low U-values and high energy-efficiency ratings – the gold standard when it comes to measuring effective heat insulation. You will find Europe’s premium brands at SWR, selected for optimal use during the coldest winter months.

Product Ranges


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Entrance Doors

Thermo46 Doors

With a 46mm thick steel door leaf, thermal break and a U-value of up to 1.1 W/(m²·K), the Thermo46 has excellent insulation and so much more.

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Thermo65 Doors

The Thermo65 Door boasts a 65mm thick steel door leaf and 80mm aluminium frame with thermal break. A U-value of up to 0.87W/(m²·K) makes it the best in class.

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Bi-Folding Doors


Up to 67% lighter than other metals but no less energy efficient, aluminium bi-folding doors keep your home warmer in winter and cooler in summer.

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Today’s timber bi-folds use modern methods to ensure the best thermal insulation. Giving you the ideal balance of heat retention with the traditional appearance of wood.

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Sliding Doors

Solarlux Cero

Practically frameless, the Solarlux Cero’s host of industry awards are well deserved. They’re tested in adverse weather conditions to guarantee outstanding thermal insulation.

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Origin Sliding

Functional use meets eye-catching aesthetic. Origin Sliding Doors exceed regulatory standards for energy efficiency with low-emissivity glass that reflects heat back into the home.

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OW-80 Premium

The only window with Aerogel technology, which boosts energy efficiency to an A++ rating. OW-80’s materials are 67% lighter than steel yet have a U-Value of 0.9W/(m²K).

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OW-70 Slimline

Origin’s slimmest window yet. Made with eco-friendly aluminum, the Slimline can achieve a U-Value of up to 1W/(m²K) with an A energy efficiency rating.

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