Sash Windows

Extensive range of double glazed sash windows

Sash Windows

A traditional style uPVC window with the advantages of modern uPVC technology and functionality.

You can take your pick from our extensive range of double glazed sash windows – pulling together modern glazing technologies with all the classic appeal that sash windows can bring to your property. These frames and glazing options are ideal for bringing a touch of unique style to a new or modern property, while still benefiting from the latest glazing options. As well as this, all our sash windows are guaranteed for 10 years.

We understand that keeping the period charm and character of a traditional property is important when it comes to improving your double glazing. You will benefit from the classic aesthetics of a traditional sash frame but with all the advantages of improved energy efficiency, increased security levels and extremely low maintenance.


Sash Horns

Our sturdy ‘run thru’ continuous decorative sash horns are permanent (unlike others where parts are screwed or glued for effect) and improve the traditional appearance of sash windows.

Spring Balance

Spiral balances counteract the weight of uPVC sliding sash windows to create smooth and effortless operation.

Concealed Gasket

Low-level PCE gaskets are in place for sash windows to provide protection against the worst wind and rain and remain out of sight.

Safety First

Keep children and little fingers safe with added restrictors to stop the bottom of your sash windows from sliding fully.

High Security

uPVC vertical sliding sash windows are available with high security locking systems for complete safety.

Tilt Function

Optional pivot bars are built into sash windows to allow for a tilt function. Great for ventilation or easy cleaning at the push of a button.

Our Projects


Just a big thank you to you and your team, you made us proud with what you’ve done to our home, your guys truly deserve a big wow!!…

R. Martinez

The most professional company I have had the pleasure of employing…

Natalie Anwar

Absolutely brilliant company…

Mr. Stevens

I just wanted to say a huge thank you for your excellent service and product, we are so pleased with our new windows and the guys were efficient and professional yesterday. Really appreciate all the visits and advice you gave us too.

A. Moussavi-Azad

Very good company, very professional and a job well done

Mrs. May

Just wanted to say a big thank you for a clean professional installation of the conservatory door. The two fitters were extremely polite and clean. I would highly recommend using Berkshire Home Improvements to others. Great job.

F. Chukoury

Thank you so much for the wonderful work that you have done on my windows…Thank you for your initial visits Malcolm and giving me the confidence to go ahead. Thank you Gary for your impeccable measurements and for finishing off the last few bits and pieces.

C. Woollatt

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