The Leading Trade Window And Composite Door Fabricator

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Top Energy Rated Windows

Shepley energy efficient frames offer high energy ratings using cost effective glass units

Energy Efficient

Shepley’s range of affordable high energy rated windows is the result of rigorous testing to pair the most cost effective glass and frame combinations to achieve A, B and C energy ratings.
We also know how important it is for you to get the best deal on insulated glass units. So we provide you with all the IGU options so you can negotiate with your own supplier.

WER And U-Value Calculators

These great new calculators from REHAU allow customers to quickly work out the glass and frame options to achieve
the U-value or window energy rating you need.

Calculate your Energy Rating Online

A+ Energy Rating for
REHAU Total 70c

REHAU’s has been awarded an A+ WER licence for Total 70c windows. You can now check the energy calculator to see the frame and glass specification for you to offer an A+ WER window.

Secured by Design
as standard


CE Marked &


British Standards



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