Repairs that bring wooden sash windows back to life

From repairing rattles to restoring rotten frames,
you can enjoy a warmer, quieter home

Original timber sash and casement windows play an important role in defining the character of a period home. That’s why Ventrolla will always aim to repair windows, where we can. Our industry-leading techniques help to eliminate rattles, draughts, leaks and noise problems, giving your windows a new lease of life – and you a more comfortable and energy-efficient home.

Trust Ventrolla for your sash window repairs

For over 35 years, Ventrolla have been helping property owners restore the charm of their sash windows, casement windows and timber doors. You can relax knowing that our nationwide network of highly-skilled master craftsmen combine traditional joinery and carpentry techniques with modern thinking, to provide you with elegant, practical solutions. Our repair process is tried-and-tested, too, so you can leave the restoration of your windows in our safe hands.

Traditional charm, 21st century performance

Working on projects of all sizes, from a single window in a small home to hundreds of windows in a commercial property, we are expert at repairing windows from Victorian, Georgian and Edwardian eras. But it’s not just about retaining original details. We’re passionate about innovation, too. That’s why every window we restore for you will be upgraded to provide the very latest energy-efficiency performance, using our unique Sealing System.

We're consistently rated 'Excellent' by our customers

By repairing your sash windows, we can help you

Eliminate draughts & rattles | Enjoy more energy-efficient windows | Reduce outside noise | Add value to your home

Seamless and stress-free sash window repairs

After the survey and quote phase, we will send a technical surveyor to your home to take exact measurements and note which repairs are necessary. On the day we ask that you clear the area around the window to be repaired, so the installers have space for tools and to move around without damaging your furniture. We will then approach each repair in the following way:

The Six Steps to perfect sash window repair work:

Remove old windows

from the window frame

Remove decaying timber

in the units, frame or sill

Splice in new timber

Occasionally required, where existing timber is beyond repair

Fill all cavities

with our unique epoxy resin VR90, moulded to match the existing profile

Replace cords & service pulleys

Correcting the sash balance to ensure smooth operation

Upgrade the seal

with our innovative Ventrolla Perimeter Sealing System (VPSS), which virtually eliminating draughts and rattles. At the same time, the Ventrolla Sash Removal System (SRS) can also be fitted to ease future painting, cleaning and maintenance

Our installer teams are friendly and highly skilled, and always treat your home as they would their own. This means they will lay down dust sheets and make every effort to minimise mess while repairing your sash windows.

Contact us

From sash window repairs to bespoke replacement windows, we can help you