Sash Window Repair & Restoration

We are the leaders in sash window repairs in Australia. Our Sash Window Renewal System will bring your existing wooden sash windows back to life and make them work properly.

We will:

  • Free up all sticking and painted-in sash windows
  • Replace sash cords, check weights or service spiral balances
  • Install high quality, long lasting draught seals
  • Repair or replace rotted timbers
  • Replace hardware and reglaze if required.

Learn more about the benefits of wooden sash window restoration here.

Full Sash Window Renewal Service

We have found that we need to work on 4 sash windows for our service to be cost effective. For work on fewer windows we need to quote accordingly.

Our set up costs mean it is not possible to visit homes to conduct small repairs on individual windows, but we suggest you consider giving your windows a new lease of life with our complete Sash Window Renewal System.

You’ll be amazed at the difference.

Now operating in and around Hobart, Melbourne, Sydney and Perth.

See our full list of wooden sash window services here.





  • Tasmania
  • Victoria
  • Western Australia
  • New South Wales
  • Somewhere Else


 Colm  0404 641 206  John  0400 478 666

Contact Form or email us at


 Colm  0404 641 206  John  0400 478 666

Contact Form or email us at

Western Australia

 Henry  0468 675 833

Contact Form or email us at

New South Wales

 Colm  0404 641 206  John  0400 478 666

Contact Form or email us at

Somewhere Else

Unfortunately Sealasash does not operate in your area at this point in time. If you're interested though, please use our contact form to let us know so we can possibly expand to your area in the future.

"Great job, it's made a huge difference. The team were excellent"
Andrew, New Town, TAS

"Thank you very much for the work done so far. It has made such an amazing difference to the house - no more breeze rattling windows or dust! Look forward to booking you in for the remaining windows. Also it was lovely to have such genuine professional & friendly service I know you didn't stop all day to get the job done."
Brooke & Euan, West Hobart

"Superb draft proofing on both our sash windows and front door that has withstood the gales of winter and contributed to a reduced power consumption. Professional installation done in a friendly manner. Highly recommended"
Cameron, West Hobart

"We are very happy with your work . . . and very impressed with both the process and the outcome. Thanks again!"
Carmen and Russell, Bellerive, Tas

"Thanks to you and the boys for the excellent job with the doors and bay window at Molle st. It has really reduced the cold and the traffic noise.
Cathy, West Hobart, Tas



Windows are an integral part of the design of older buildings but are often overlooked or mistreated when renovation plans are made. Complete replacement of old windows with new joinery or PVC windows are an expensive alternative to replacing and upgrading existing wooden windows. The fact is that even the most tired looking old timber […]