Stylish Sliding Sash Windows

Maintain a traditional appearance for your home with our stunning uPVC sash windows.


Effortless Operation

Our uPVC sliding sash windows are full of character, making them the  perfect addition to any period property in Cambridgeshire and Peterborough.

We understand maintaining the integrity of your home is important, which is why we take a lot of care in preserving period charm. You will benefit from original sash style windows with all of the contemporary features, energy efficiency, high security and multi-chambered innovation.

Our uPVC sash windows glide smoothly and effortlessly for ease of operation. Furthermore, with the latest features such as restrictors to stop fingers getting trapped and superior weather sealing, what’s not to love about our beautiful sash windows.

Optional Sash Horns
Optional Sash Horns

Choose decorative sash horns to add a touch of traditional style to your new uPVC sliding sash windows.

Spring Balance
Spring Balance

Spring balance mechanisms are in place to counteract the weight of the sliding sash for smooth gliding.

Concealed Gaskets
Concealed Gaskets

Low-level PCE gaskets provide defence against the worst of British weather whilst staying unseen.

Safety First
Safe Sliding Sashes

Restrictors can be fitted to stop the bottom sash from sliding fully to keep little fingers from getting trapped.

High Security
High Security Sashes

High security cam locks can be fitted to our uPVC sliding sash windows for your peace of mind and safety.

Tilt Function
sash windows

With a built in pivot bar, our sashes can tilt inwards for easy cleaning and extra ventilation at the push of a button.


UPVC Window Close-Up

New Sash Windows

uPVC Prices Wisbech

Large Bay Window

Double Glazing Peterborough

All New Windows


Bay Window With Storage Seat

Superior Sliding Sash Windows

Each of our sliding sash windows comes with a variety of design features, great for matching your existing property. Opt for a wood grain effect to mirror the traditional timber frames of a sash window.

Containing a variety of advantages, including noise reduction, minimal maintenance and improved thermal efficiency, how could you resist? If your home is prone to draughts, new uPVC sash windows are the perfect choice.

Forget the days of climbing up ladders to paint your timber window frames, our sash windows will never need painting or varnishing and are guaranteed to never rot, warp or fade for many, many years.

Certass Cambridgeshire ultraframe

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